Rajalakshmi Engineering College

Short name

REC

Country, city

India, Chennai

Organization website

Publications

1 505

Citations

18 137

h-index

Top-3 journals

Materials Today: Proceedings (113 publications)

IOP Conference Series: Materials Science and Engineering (48 publications)

Lecture Notes in Networks and Systems (46 publications)

Top-3 organizations

Anna University (182 publications)

Saveetha Institute of Medical and Technical Sciences (146 publications)

Sri Sivasubramaniya Nadar College of Engineering (111 publications)

Top-3 foreign organizations

King Saud University (21 publications)

Nguyen Tat Thanh University (11 publications)

University Putra Malaysia (11 publications)

Publication title from chars

Publisher

Journal

Field of science

Countries

Open access

SCImago

WoS

Since

For

Clear filter

By date

By citations

Publications found: 0

Since 2005

Total publications

1505

Total citations

18130

Citations per publication

12.05

Average publications per year

75.25

Average authors per publication

4.36

h-index

Metrics description

h-index

A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

Top-30

Fields of science

	50 100 150 200 250 300
General Medicine	General Medicine, 252, 16.74% General Medicine 252 publications, 16.74%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 168, 11.16% Electrical and Electronic Engineering 168 publications, 11.16%
General Chemistry	General Chemistry, 101, 6.71% General Chemistry 101 publications, 6.71%
General Materials Science	General Materials Science, 90, 5.98% General Materials Science 90 publications, 5.98%
Condensed Matter Physics	Condensed Matter Physics, 79, 5.25% Condensed Matter Physics 79 publications, 5.25%
Renewable Energy, Sustainability and the Environment	Renewable Energy, Sustainability and the Environment, 73, 4.85% Renewable Energy, Sustainability and the Environment 73 publications, 4.85%
General Chemical Engineering	General Chemical Engineering, 72, 4.78% General Chemical Engineering 72 publications, 4.78%
Mechanical Engineering	Mechanical Engineering, 64, 4.25% Mechanical Engineering 64 publications, 4.25%
Electronic, Optical and Magnetic Materials	Electronic, Optical and Magnetic Materials, 63, 4.19% Electronic, Optical and Magnetic Materials 63 publications, 4.19%
Materials Chemistry	Materials Chemistry, 58, 3.85% Materials Chemistry 58 publications, 3.85%
General Engineering	General Engineering, 56, 3.72% General Engineering 56 publications, 3.72%
Pollution	Pollution, 56, 3.72% Pollution 56 publications, 3.72%
Computer Science Applications	Computer Science Applications, 53, 3.52% Computer Science Applications 53 publications, 3.52%
Software	Software, 53, 3.52% Software 53 publications, 3.52%
Environmental Chemistry	Environmental Chemistry, 49, 3.26% Environmental Chemistry 49 publications, 3.26%
Computer Networks and Communications	Computer Networks and Communications, 49, 3.26% Computer Networks and Communications 49 publications, 3.26%
Energy Engineering and Power Technology	Energy Engineering and Power Technology, 48, 3.19% Energy Engineering and Power Technology 48 publications, 3.19%
Atomic and Molecular Physics, and Optics	Atomic and Molecular Physics, and Optics, 47, 3.12% Atomic and Molecular Physics, and Optics 47 publications, 3.12%
Environmental Engineering	Environmental Engineering, 42, 2.79% Environmental Engineering 42 publications, 2.79%
Organic Chemistry	Organic Chemistry, 39, 2.59% Organic Chemistry 39 publications, 2.59%
Mechanics of Materials	Mechanics of Materials, 38, 2.52% Mechanics of Materials 38 publications, 2.52%
Artificial Intelligence	Artificial Intelligence, 38, 2.52% Artificial Intelligence 38 publications, 2.52%
Applied Mathematics	Applied Mathematics, 36, 2.39% Applied Mathematics 36 publications, 2.39%
Industrial and Manufacturing Engineering	Industrial and Manufacturing Engineering, 35, 2.33% Industrial and Manufacturing Engineering 35 publications, 2.33%
Health, Toxicology and Mutagenesis	Health, Toxicology and Mutagenesis, 35, 2.33% Health, Toxicology and Mutagenesis 35 publications, 2.33%
Hardware and Architecture	Hardware and Architecture, 34, 2.26% Hardware and Architecture 34 publications, 2.26%
Polymers and Plastics	Polymers and Plastics, 33, 2.19% Polymers and Plastics 33 publications, 2.19%
Surfaces, Coatings and Films	Surfaces, Coatings and Films, 32, 2.13% Surfaces, Coatings and Films 32 publications, 2.13%
Physical and Theoretical Chemistry	Physical and Theoretical Chemistry, 29, 1.93% Physical and Theoretical Chemistry 29 publications, 1.93%
General Physics and Astronomy	General Physics and Astronomy, 29, 1.93% General Physics and Astronomy 29 publications, 1.93%
	50 100 150 200 250 300

Journals

Publishers

	50 100 150 200 250 300 350 400 450
Springer Nature	Springer Nature, 434, 28.84% Springer Nature 434 publications, 28.84%
Elsevier	Elsevier, 348, 23.12% Elsevier 348 publications, 23.12%
Taylor & Francis	Taylor & Francis, 93, 6.18% Taylor & Francis 93 publications, 6.18%
IOP Publishing	IOP Publishing, 81, 5.38% IOP Publishing 81 publications, 5.38%
Hindawi Limited	Hindawi Limited, 67, 4.45% Hindawi Limited 67 publications, 4.45%
Wiley	Wiley, 62, 4.12% Wiley 62 publications, 4.12%
IGI Global	IGI Global, 52, 3.46% IGI Global 52 publications, 3.46%
SAGE	SAGE, 37, 2.46% SAGE 37 publications, 2.46%
Inderscience Publishers	Inderscience Publishers, 31, 2.06% Inderscience Publishers 31 publications, 2.06%
MDPI	MDPI, 24, 1.59% MDPI 24 publications, 1.59%
World Scientific	World Scientific, 20, 1.33% World Scientific 20 publications, 1.33%
AIP Publishing	AIP Publishing, 20, 1.33% AIP Publishing 20 publications, 1.33%
Trans Tech Publications	Trans Tech Publications, 17, 1.13% Trans Tech Publications 17 publications, 1.13%
IOS Press	IOS Press, 16, 1.06% IOS Press 16 publications, 1.06%
Institution of Engineering and Technology (IET)	Institution of Engineering and Technology (IET), 14, 0.93% Institution of Engineering and Technology (IET) 14 publications, 0.93%
American Scientific Publishers	American Scientific Publishers, 14, 0.93% American Scientific Publishers 14 publications, 0.93%
Institute of Advanced Engineering and Science (IAES)	Institute of Advanced Engineering and Science (IAES), 14, 0.93% Institute of Advanced Engineering and Science (IAES) 14 publications, 0.93%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 13, 0.86% Institute of Electrical and Electronics Engineers (IEEE) 13 publications, 0.86%
Bentham Science Publishers Ltd.	Bentham Science Publishers Ltd., 12, 0.8% Bentham Science Publishers Ltd. 12 publications, 0.8%
Begell House	Begell House, 10, 0.66% Begell House 10 publications, 0.66%
Walter de Gruyter	Walter de Gruyter, 9, 0.6% Walter de Gruyter 9 publications, 0.6%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 9, 0.6% Royal Society of Chemistry (RSC) 9 publications, 0.6%
National Library of Serbia	National Library of Serbia, 8, 0.53% National Library of Serbia 8 publications, 0.53%
Emerald	Emerald, 5, 0.33% Emerald 5 publications, 0.33%
American Chemical Society (ACS)	American Chemical Society (ACS), 5, 0.33% American Chemical Society (ACS) 5 publications, 0.33%
Oriental Scientific Publishing Company	Oriental Scientific Publishing Company, 5, 0.33% Oriental Scientific Publishing Company 5 publications, 0.33%
Cambridge University Press	Cambridge University Press, 4, 0.27% Cambridge University Press 4 publications, 0.27%
Pleiades Publishing	Pleiades Publishing, 4, 0.27% Pleiades Publishing 4 publications, 0.27%
Universidade Federal do Rio de Janeiro	Universidade Federal do Rio de Janeiro, 4, 0.27% Universidade Federal do Rio de Janeiro 4 publications, 0.27%
SAE International	SAE International, 4, 0.27% SAE International 4 publications, 0.27%
	50 100 150 200 250 300 350 400 450

With other organizations

With foreign organizations

	5 10 15 20 25
King Saud University	King Saud University, 21, 1.4% King Saud University 21 publications, 1.4%
Nguyen Tat Thanh University	Nguyen Tat Thanh University, 11, 0.73% Nguyen Tat Thanh University 11 publications, 0.73%
University Putra Malaysia	University Putra Malaysia, 11, 0.73% University Putra Malaysia 11 publications, 0.73%
Yeungnam University	Yeungnam University, 8, 0.53% Yeungnam University 8 publications, 0.53%
Al Farabi Kazakh National University	Al Farabi Kazakh National University, 7, 0.47% Al Farabi Kazakh National University 7 publications, 0.47%
Nanyang Technological University	Nanyang Technological University, 7, 0.47% Nanyang Technological University 7 publications, 0.47%
South Ural State University	South Ural State University, 6, 0.4% South Ural State University 6 publications, 0.4%
Majmaah University	Majmaah University, 6, 0.4% Majmaah University 6 publications, 0.4%
University Malaysia Pahang Al-Sultan Abdullah	University Malaysia Pahang Al-Sultan Abdullah, 6, 0.4% University Malaysia Pahang Al-Sultan Abdullah 6 publications, 0.4%
Tishk International University	Tishk International University, 5, 0.33% Tishk International University 5 publications, 0.33%
Lebanese American University	Lebanese American University, 5, 0.33% Lebanese American University 5 publications, 0.33%
King Khalid University	King Khalid University, 4, 0.27% King Khalid University 4 publications, 0.27%
Princess Nourah bint Abdulrahman University	Princess Nourah bint Abdulrahman University, 4, 0.27% Princess Nourah bint Abdulrahman University 4 publications, 0.27%
Technical University of Malaysia Malacca	Technical University of Malaysia Malacca, 4, 0.27% Technical University of Malaysia Malacca 4 publications, 0.27%
University of Technology Sydney	University of Technology Sydney, 4, 0.27% University of Technology Sydney 4 publications, 0.27%
King Mongkut's Institute of Technology North Bangkok	King Mongkut's Institute of Technology North Bangkok, 4, 0.27% King Mongkut's Institute of Technology North Bangkok 4 publications, 0.27%
Konkuk University	Konkuk University, 4, 0.27% Konkuk University 4 publications, 0.27%
King Abdulaziz University	King Abdulaziz University, 3, 0.2% King Abdulaziz University 3 publications, 0.2%
Imam Mohammad Ibn Saud Islamic University	Imam Mohammad Ibn Saud Islamic University, 3, 0.2% Imam Mohammad Ibn Saud Islamic University 3 publications, 0.2%
COMSATS University Islamabad	COMSATS University Islamabad, 3, 0.2% COMSATS University Islamabad 3 publications, 0.2%
Tenaga National University	Tenaga National University, 3, 0.2% Tenaga National University 3 publications, 0.2%
Khon Kaen University	Khon Kaen University, 3, 0.2% Khon Kaen University 3 publications, 0.2%
Kyungpook National University	Kyungpook National University, 3, 0.2% Kyungpook National University 3 publications, 0.2%
St. Joseph University In Tanzania	St. Joseph University In Tanzania, 3, 0.2% St. Joseph University In Tanzania 3 publications, 0.2%
Tanta University	Tanta University, 3, 0.2% Tanta University 3 publications, 0.2%
University of Tabuk	University of Tabuk, 2, 0.13% University of Tabuk 2 publications, 0.13%
Qassim University	Qassim University, 2, 0.13% Qassim University 2 publications, 0.13%
Shahid Chamran University of Ahvaz	Shahid Chamran University of Ahvaz, 2, 0.13% Shahid Chamran University of Ahvaz 2 publications, 0.13%
Qatar University	Qatar University, 2, 0.13% Qatar University 2 publications, 0.13%
University of Bahrain	University of Bahrain, 2, 0.13% University of Bahrain 2 publications, 0.13%
	5 10 15 20 25

With other countries

	10 20 30 40 50 60 70 80
Ethiopia	Ethiopia, 79, 5.25% Ethiopia 79 publications, 5.25%
Saudi Arabia	Saudi Arabia, 48, 3.19% Saudi Arabia 48 publications, 3.19%
USA	USA, 29, 1.93% USA 29 publications, 1.93%
Malaysia	Malaysia, 29, 1.93% Malaysia 29 publications, 1.93%
Republic of Korea	Republic of Korea, 27, 1.79% Republic of Korea 27 publications, 1.79%
Vietnam	Vietnam, 14, 0.93% Vietnam 14 publications, 0.93%
China	China, 13, 0.86% China 13 publications, 0.86%
Iraq	Iraq, 12, 0.8% Iraq 12 publications, 0.8%
Egypt	Egypt, 10, 0.66% Egypt 10 publications, 0.66%
Poland	Poland, 10, 0.66% Poland 10 publications, 0.66%
Australia	Australia, 9, 0.6% Australia 9 publications, 0.6%
United Kingdom	United Kingdom, 8, 0.53% United Kingdom 8 publications, 0.53%
Oman	Oman, 8, 0.53% Oman 8 publications, 0.53%
Thailand	Thailand, 8, 0.53% Thailand 8 publications, 0.53%
Russia	Russia, 7, 0.47% Russia 7 publications, 0.47%
Kazakhstan	Kazakhstan, 7, 0.47% Kazakhstan 7 publications, 0.47%
Pakistan	Pakistan, 7, 0.47% Pakistan 7 publications, 0.47%
Singapore	Singapore, 7, 0.47% Singapore 7 publications, 0.47%
Germany	Germany, 5, 0.33% Germany 5 publications, 0.33%
Bangladesh	Bangladesh, 5, 0.33% Bangladesh 5 publications, 0.33%
Canada	Canada, 5, 0.33% Canada 5 publications, 0.33%
Lebanon	Lebanon, 5, 0.33% Lebanon 5 publications, 0.33%
Netherlands	Netherlands, 4, 0.27% Netherlands 4 publications, 0.27%
UAE	UAE, 4, 0.27% UAE 4 publications, 0.27%
Chile	Chile, 4, 0.27% Chile 4 publications, 0.27%
Indonesia	Indonesia, 3, 0.2% Indonesia 3 publications, 0.2%
Iran	Iran, 3, 0.2% Iran 3 publications, 0.2%
Spain	Spain, 3, 0.2% Spain 3 publications, 0.2%
Italy	Italy, 3, 0.2% Italy 3 publications, 0.2%
Norway	Norway, 3, 0.2% Norway 3 publications, 0.2%
	10 20 30 40 50 60 70 80

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 2005 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.

	20 40 60 80 100 120
Materials Today: Proceedings	Materials Today: Proceedings, 113, 7.51% Materials Today: Proceedings 113 publications, 7.51%
IOP Conference Series: Materials Science and Engineering	IOP Conference Series: Materials Science and Engineering, 48, 3.19% IOP Conference Series: Materials Science and Engineering 48 publications, 3.19%
Lecture Notes in Networks and Systems	Lecture Notes in Networks and Systems, 46, 3.06% Lecture Notes in Networks and Systems 46 publications, 3.06%
Lecture Notes in Electrical Engineering	Lecture Notes in Electrical Engineering, 30, 1.99% Lecture Notes in Electrical Engineering 30 publications, 1.99%
Lecture Notes in Mechanical Engineering	Lecture Notes in Mechanical Engineering, 23, 1.53% Lecture Notes in Mechanical Engineering 23 publications, 1.53%
Advances in Intelligent Systems and Computing	Advances in Intelligent Systems and Computing, 23, 1.53% Advances in Intelligent Systems and Computing 23 publications, 1.53%
Communications in Computer and Information Science	Communications in Computer and Information Science, 20, 1.33% Communications in Computer and Information Science 20 publications, 1.33%
Biomass Conversion and Biorefinery	Biomass Conversion and Biorefinery, 19, 1.26% Biomass Conversion and Biorefinery 19 publications, 1.26%
AIP Conference Proceedings	AIP Conference Proceedings, 18, 1.2% AIP Conference Proceedings 18 publications, 1.2%
Chemosphere	Chemosphere, 17, 1.13% Chemosphere 17 publications, 1.13%
Journal of Physics: Conference Series	Journal of Physics: Conference Series, 16, 1.06% Journal of Physics: Conference Series 16 publications, 1.06%
Journal of Nanomaterials	Journal of Nanomaterials, 16, 1.06% Journal of Nanomaterials 16 publications, 1.06%
IETE Journal of Research	IETE Journal of Research, 15, 1% IETE Journal of Research 15 publications, 1%
Advances in Materials Science and Engineering	Advances in Materials Science and Engineering, 13, 0.86% Advances in Materials Science and Engineering 13 publications, 0.86%
Environmental Science and Pollution Research	Environmental Science and Pollution Research, 13, 0.86% Environmental Science and Pollution Research 13 publications, 0.86%
Adsorption Science and Technology	Adsorption Science and Technology, 12, 0.8% Adsorption Science and Technology 12 publications, 0.8%
Journal of Molecular Structure	Journal of Molecular Structure, 11, 0.73% Journal of Molecular Structure 11 publications, 0.73%
IFIP Advances in Information and Communication Technology	IFIP Advances in Information and Communication Technology, 11, 0.73% IFIP Advances in Information and Communication Technology 11 publications, 0.73%
Journal of Intelligent and Fuzzy Systems	Journal of Intelligent and Fuzzy Systems, 10, 0.66% Journal of Intelligent and Fuzzy Systems 10 publications, 0.66%
Journal of Computational and Theoretical Nanoscience	Journal of Computational and Theoretical Nanoscience, 10, 0.66% Journal of Computational and Theoretical Nanoscience 10 publications, 0.66%
Lecture Notes in Civil Engineering	Lecture Notes in Civil Engineering, 10, 0.66% Lecture Notes in Civil Engineering 10 publications, 0.66%
Wireless Personal Communications	Wireless Personal Communications, 10, 0.66% Wireless Personal Communications 10 publications, 0.66%
International Journal of Photoenergy	International Journal of Photoenergy, 9, 0.6% International Journal of Photoenergy 9 publications, 0.6%
Journal of The Institution of Engineers (India): Series D	Journal of The Institution of Engineers (India): Series D, 9, 0.6% Journal of The Institution of Engineers (India): Series D 9 publications, 0.6%
Multimedia Tools and Applications	Multimedia Tools and Applications, 9, 0.6% Multimedia Tools and Applications 9 publications, 0.6%
Journal of Ambient Intelligence and Humanized Computing	Journal of Ambient Intelligence and Humanized Computing, 8, 0.53% Journal of Ambient Intelligence and Humanized Computing 8 publications, 0.53%
Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika)	Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika), 8, 0.53% Telecommunications and Radio Engineering (English translation of Elektrosvyaz and Radiotekhnika) 8 publications, 0.53%
Smart Innovation, Systems and Technologies	Smart Innovation, Systems and Technologies, 8, 0.53% Smart Innovation, Systems and Technologies 8 publications, 0.53%
Ceramics International	Ceramics International, 8, 0.53% Ceramics International 8 publications, 0.53%
Thermal Science	Thermal Science, 8, 0.53% Thermal Science 8 publications, 0.53%
	20 40 60 80 100 120

	20 40 60 80 100 120 140 160 180 200
Anna University	Anna University, 182, 12.09% Anna University 182 publications, 12.09%
Saveetha Institute of Medical and Technical Sciences	Saveetha Institute of Medical and Technical Sciences, 146, 9.7% Saveetha Institute of Medical and Technical Sciences 146 publications, 9.7%
Sri Sivasubramaniya Nadar College of Engineering	Sri Sivasubramaniya Nadar College of Engineering, 111, 7.38% Sri Sivasubramaniya Nadar College of Engineering 111 publications, 7.38%
SRM Institute of Science and Technology	SRM Institute of Science and Technology, 88, 5.85% SRM Institute of Science and Technology 88 publications, 5.85%
Vellore Institute of Technology University	Vellore Institute of Technology University, 70, 4.65% Vellore Institute of Technology University 70 publications, 4.65%
Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology	Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, 43, 2.86% Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology 43 publications, 2.86%
Graphic Era University	Graphic Era University, 40, 2.66% Graphic Era University 40 publications, 2.66%
Sri Venkateswara College of Engineering	Sri Venkateswara College of Engineering, 39, 2.59% Sri Venkateswara College of Engineering 39 publications, 2.59%
Sathyabama Institute of Science and Technology	Sathyabama Institute of Science and Technology, 35, 2.33% Sathyabama Institute of Science and Technology 35 publications, 2.33%
Koneru Lakshmaiah Education Foundation	Koneru Lakshmaiah Education Foundation, 33, 2.19% Koneru Lakshmaiah Education Foundation 33 publications, 2.19%
Kalasalingam Academy of Research and Education	Kalasalingam Academy of Research and Education, 28, 1.86% Kalasalingam Academy of Research and Education 28 publications, 1.86%
Hindustan Institute of Technology and Science	Hindustan Institute of Technology and Science, 26, 1.73% Hindustan Institute of Technology and Science 26 publications, 1.73%
Vels Institute of Science, Technology & Advanced Studies	Vels Institute of Science, Technology & Advanced Studies, 25, 1.66% Vels Institute of Science, Technology & Advanced Studies 25 publications, 1.66%
University of Madras	University of Madras, 24, 1.59% University of Madras 24 publications, 1.59%
Chennai Institute of Technology	Chennai Institute of Technology, 22, 1.46% Chennai Institute of Technology 22 publications, 1.46%
King Saud University	King Saud University, 21, 1.4% King Saud University 21 publications, 1.4%
Karpagam Academy of Higher Education	Karpagam Academy of Higher Education, 18, 1.2% Karpagam Academy of Higher Education 18 publications, 1.2%
Karunya Institute of Technology and Sciences	Karunya Institute of Technology and Sciences, 13, 0.86% Karunya Institute of Technology and Sciences 13 publications, 0.86%
Amrita Vishwa Vidyapeetham	Amrita Vishwa Vidyapeetham, 12, 0.8% Amrita Vishwa Vidyapeetham 12 publications, 0.8%
Chandigarh University	Chandigarh University, 12, 0.8% Chandigarh University 12 publications, 0.8%
Nguyen Tat Thanh University	Nguyen Tat Thanh University, 11, 0.73% Nguyen Tat Thanh University 11 publications, 0.73%
Presidency University	Presidency University, 11, 0.73% Presidency University 11 publications, 0.73%
University Putra Malaysia	University Putra Malaysia, 11, 0.73% University Putra Malaysia 11 publications, 0.73%
Bannari Amman Institute of Technology	Bannari Amman Institute of Technology, 11, 0.73% Bannari Amman Institute of Technology 11 publications, 0.73%
Bharathiar University	Bharathiar University, 10, 0.66% Bharathiar University 10 publications, 0.66%
National Institute of Technology Tiruchirappalli	National Institute of Technology Tiruchirappalli, 10, 0.66% National Institute of Technology Tiruchirappalli 10 publications, 0.66%
Mepco Schlenk Engineering College	Mepco Schlenk Engineering College, 10, 0.66% Mepco Schlenk Engineering College 10 publications, 0.66%
Shanmugha Arts, Science, Technology & Research Academy	Shanmugha Arts, Science, Technology & Research Academy, 9, 0.6% Shanmugha Arts, Science, Technology & Research Academy 9 publications, 0.6%
Bharath Institute of Higher Education and Research	Bharath Institute of Higher Education and Research, 9, 0.6% Bharath Institute of Higher Education and Research 9 publications, 0.6%
Government College of Technology	Government College of Technology, 8, 0.53% Government College of Technology 8 publications, 0.53%
	20 40 60 80 100 120 140 160 180 200