See full statistics
Total publications
71
Total citations
644
Citations per publication
9.07
Average publications per year
5.07
Average coauthors
4.51
Publications years
2011-2024 (14 years)
h-index
14
i10-index
26
m-index
1
o-index
28
g-index
21
w-index
2
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.
i10-index
The number of the author's publications that received at least 10 links each.
m-index
The researcher's m-index is numerically equal to the ratio of his h-index to the number of years that have passed since the first publication.
o-index
The geometric mean of the h-index and the number of citations of the most cited article of the scientist.
g-index
For a given set of articles, sorted in descending order of the number of citations that these articles received, the g-index is the largest number such that the g most cited articles received (in total) at least g2 citations.
w-index
If w articles of a researcher have at least 10w citations each and other publications are less than 10(w+1) citations, then the researcher's w-index is equal to w.

Fields of science

5
10
15
20
25
30
35
Electrochemistry, 31, 43.66%
Electrochemistry
31 publications, 43.66%
General Chemical Engineering, 15, 21.13%
General Chemical Engineering
15 publications, 21.13%
Physical and Theoretical Chemistry, 11, 15.49%
Physical and Theoretical Chemistry
11 publications, 15.49%
Electrical and Electronic Engineering, 9, 12.68%
Electrical and Electronic Engineering
9 publications, 12.68%
Energy Engineering and Power Technology, 9, 12.68%
Energy Engineering and Power Technology
9 publications, 12.68%
Renewable Energy, Sustainability and the Environment, 8, 11.27%
Renewable Energy, Sustainability and the Environment
8 publications, 11.27%
General Chemistry, 6, 8.45%
General Chemistry
6 publications, 8.45%
General Materials Science, 5, 7.04%
General Materials Science
5 publications, 7.04%
General Physics and Astronomy, 4, 5.63%
General Physics and Astronomy
4 publications, 5.63%
Process Chemistry and Technology, 4, 5.63%
Process Chemistry and Technology
4 publications, 5.63%
Chemical Engineering (miscellaneous), 4, 5.63%
Chemical Engineering (miscellaneous)
4 publications, 5.63%
Filtration and Separation, 4, 5.63%
Filtration and Separation
4 publications, 5.63%
Analytical Chemistry, 3, 4.23%
Analytical Chemistry
3 publications, 4.23%
Condensed Matter Physics, 3, 4.23%
Condensed Matter Physics
3 publications, 4.23%
General Energy, 3, 4.23%
General Energy
3 publications, 4.23%
Materials Chemistry, 2, 2.82%
Materials Chemistry
2 publications, 2.82%
Fuel Technology, 2, 2.82%
Fuel Technology
2 publications, 2.82%
Nuclear Energy and Engineering, 2, 2.82%
Nuclear Energy and Engineering
2 publications, 2.82%
Building and Construction, 2, 2.82%
Building and Construction
2 publications, 2.82%
Control and Optimization, 2, 2.82%
Control and Optimization
2 publications, 2.82%
Engineering (miscellaneous), 2, 2.82%
Engineering (miscellaneous)
2 publications, 2.82%
Energy (miscellaneous), 2, 2.82%
Energy (miscellaneous)
2 publications, 2.82%
Metals and Alloys, 1, 1.41%
Metals and Alloys
1 publication, 1.41%
Catalysis, 1, 1.41%
Catalysis
1 publication, 1.41%
Multidisciplinary, 1, 1.41%
Multidisciplinary
1 publication, 1.41%
Polymers and Plastics, 1, 1.41%
Polymers and Plastics
1 publication, 1.41%
Physics and Astronomy (miscellaneous), 1, 1.41%
Physics and Astronomy (miscellaneous)
1 publication, 1.41%
Instrumentation, 1, 1.41%
Instrumentation
1 publication, 1.41%
Mechanical Engineering, 1, 1.41%
Mechanical Engineering
1 publication, 1.41%
Industrial and Manufacturing Engineering, 1, 1.41%
Industrial and Manufacturing Engineering
1 publication, 1.41%
General Engineering, 1, 1.41%
General Engineering
1 publication, 1.41%
Mechanics of Materials, 1, 1.41%
Mechanics of Materials
1 publication, 1.41%
Environmental Chemistry, 1, 1.41%
Environmental Chemistry
1 publication, 1.41%
Radiation, 1, 1.41%
Radiation
1 publication, 1.41%
Nuclear and High Energy Physics, 1, 1.41%
Nuclear and High Energy Physics
1 publication, 1.41%
Strategy and Management, 1, 1.41%
Strategy and Management
1 publication, 1.41%
5
10
15
20
25
30
35

Journals

2
4
6
8
10
12
14
Russian Journal of Electrochemistry
13 publications, 18.31%
Electrochimica Acta
10 publications, 14.08%
Membranes
4 publications, 5.63%
Journal of Power Sources
4 publications, 5.63%
Journal of Electroanalytical Chemistry
4 publications, 5.63%
Journal of Chemical Physics
3 publications, 4.23%
Doklady Physical Chemistry
3 publications, 4.23%
Journal of Solid State Electrochemistry
2 publications, 2.82%
Doklady Chemistry
2 publications, 2.82%
Energy Technology
2 publications, 2.82%
ChemPlusChem
2 publications, 2.82%
Energies
2 publications, 2.82%
Electrochemistry Communications
1 publication, 1.41%
Polymer Science - Series A
1 publication, 1.41%
Nanotechnologies in Russia
1 publication, 1.41%
Catalysts
1 publication, 1.41%
ChemSusChem
1 publication, 1.41%
ChemistrySelect
1 publication, 1.41%
International Journal of Hydrogen Energy
1 publication, 1.41%
Energy Conversion and Management
1 publication, 1.41%
Pure and Applied Chemistry
1 publication, 1.41%
Materials Today Communications
1 publication, 1.41%
Physical Review E
1 publication, 1.41%
Journal of Experimental and Theoretical Physics
1 publication, 1.41%
Journal of Synchrotron Radiation
1 publication, 1.41%
Russian Journal of Physical Chemistry B
1 publication, 1.41%
Technical Physics
1 publication, 1.41%
International Journal of Energy Research
1 publication, 1.41%
Batteries
1 publication, 1.41%
ChemElectroChem
1 publication, 1.41%
Data in Brief
1 publication, 1.41%
Russian Chemical Reviews
1 publication, 1.41%
2
4
6
8
10
12
14

Citing journals

10
20
30
40
50
60
70
80
90
Electrochimica Acta
90 citations, 13.98%
Russian Journal of Electrochemistry
66 citations, 10.25%
Membranes
46 citations, 7.14%
Journal of Electroanalytical Chemistry
23 citations, 3.57%
Journal of the Electrochemical Society
19 citations, 2.95%
Energies
19 citations, 2.95%
International Journal of Hydrogen Energy
18 citations, 2.8%
Journal of Power Sources
16 citations, 2.48%
Energy Technology
15 citations, 2.33%
Journal not defined, 13, 2.02%
Journal not defined
13 citations, 2.02%
Journal of Chemical Physics
13 citations, 2.02%
Journal of Energy Storage
13 citations, 2.02%
Batteries
13 citations, 2.02%
Journal of Solid State Electrochemistry
10 citations, 1.55%
Physical Review E
10 citations, 1.55%
Molecules
8 citations, 1.24%
Catalysts
7 citations, 1.09%
ChemSusChem
7 citations, 1.09%
Doklady Chemistry
7 citations, 1.09%
Pure and Applied Chemistry
7 citations, 1.09%
Electrochemistry Communications
6 citations, 0.93%
Energy Storage Materials
6 citations, 0.93%
International Journal of Molecular Sciences
6 citations, 0.93%
International Journal of Energy Research
6 citations, 0.93%
ChemPlusChem
6 citations, 0.93%
ChemElectroChem
6 citations, 0.93%
Russian Chemical Reviews
5 citations, 0.78%
Journal of Environmental Chemical Engineering
4 citations, 0.62%
Materials and Design
4 citations, 0.62%
Journal of Synchrotron Radiation
4 citations, 0.62%
Herald of the Bauman Moscow State Technical University, Series Natural Sciences
4 citations, 0.62%
Thermochimica Acta
4 citations, 0.62%
Polymer Science - Series B
3 citations, 0.47%
Computers and Chemical Engineering
3 citations, 0.47%
JETP Letters
3 citations, 0.47%
ChemistrySelect
3 citations, 0.47%
Journal of Physical Chemistry C
3 citations, 0.47%
Energy Conversion and Management
3 citations, 0.47%
Polymers
3 citations, 0.47%
Chemical Engineering Journal
3 citations, 0.47%
Technical Physics
3 citations, 0.47%
European Polymer Journal
3 citations, 0.47%
Nanotechnologies in Russia
2 citations, 0.31%
Chaos
2 citations, 0.31%
Nature Communications
2 citations, 0.31%
Mendeleev Communications
2 citations, 0.31%
Handbook of Thermal Analysis and Calorimetry
2 citations, 0.31%
European Physical Journal: Special Topics
2 citations, 0.31%
Review of Scientific Instruments
2 citations, 0.31%
Doklady Physical Chemistry
2 citations, 0.31%
Crystal Growth and Design
2 citations, 0.31%
Advances in Polymer Science
2 citations, 0.31%
Physica A: Statistical Mechanics and its Applications
2 citations, 0.31%
Journal of Physical Chemistry B
2 citations, 0.31%
Water Research
2 citations, 0.31%
ACS Sustainable Chemistry and Engineering
2 citations, 0.31%
Polymer
2 citations, 0.31%
Macromolecules
2 citations, 0.31%
Progress in Materials Science
2 citations, 0.31%
Energy
2 citations, 0.31%
Journal of Hazardous Materials
2 citations, 0.31%
Journal of Thermal Analysis and Calorimetry
2 citations, 0.31%
Электрохимия
2 citations, 0.31%
Batteries & Supercaps
2 citations, 0.31%
Nanoindustry Russia
2 citations, 0.31%
Energy Advances
2 citations, 0.31%
Korean Journal of Chemical Engineering
1 citation, 0.16%
Nanoscale
1 citation, 0.16%
Journal of Applied Polymer Science
1 citation, 0.16%
ACS Macro Letters
1 citation, 0.16%
Applied Physics Reviews
1 citation, 0.16%
Materials Today Nano
1 citation, 0.16%
Journal of Cleaner Production
1 citation, 0.16%
Physical Chemistry Chemical Physics
1 citation, 0.16%
Entropy
1 citation, 0.16%
Microscopy and Microanalysis
1 citation, 0.16%
Polymer Engineering and Science
1 citation, 0.16%
Journal of Electrochemical Energy Conversion and Storage
1 citation, 0.16%
Applied Physics Letters
1 citation, 0.16%
Physical Review Letters
1 citation, 0.16%
Advanced Electronic Materials
1 citation, 0.16%
Journal of Physics Condensed Matter
1 citation, 0.16%
Engineering
1 citation, 0.16%
Metals
1 citation, 0.16%
AICHE Journal
1 citation, 0.16%
Applied Clay Science
1 citation, 0.16%
Journal of Mathematical Physics
1 citation, 0.16%
Physica Status Solidi - Rapid Research Letters
1 citation, 0.16%
ACS Applied Energy Materials
1 citation, 0.16%
HardwareX
1 citation, 0.16%
Chinese Journal of Physics
1 citation, 0.16%
Journal of Engineering Mathematics
1 citation, 0.16%
Crystallography Reviews
1 citation, 0.16%
Russian Journal of Applied Chemistry
1 citation, 0.16%
Nanomaterials
1 citation, 0.16%
Energy and Environmental Science
1 citation, 0.16%
ChemCatChem
1 citation, 0.16%
Applied Catalysis A: General
1 citation, 0.16%
Results in Engineering
1 citation, 0.16%
Water, Air, and Soil Pollution
1 citation, 0.16%
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50
60
70
80
90

Publishers

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10
15
20
25
Elsevier
23 publications, 32.39%
Pleiades Publishing
23 publications, 32.39%
Wiley
9 publications, 12.68%
MDPI
8 publications, 11.27%
AIP Publishing
3 publications, 4.23%
Springer Nature
2 publications, 2.82%
Walter de Gruyter
1 publication, 1.41%
American Physical Society (APS)
1 publication, 1.41%
Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 1.41%
5
10
15
20
25

Organizations from articles

10
20
30
40
50
60
Mendeleev University of Chemical Technology of Russia
58 publications, 26.48%
Lomonosov Moscow State University
45 publications, 20.55%
Federal Research Center of Problem of Chemical Physics and Medicinal Chemistry RAS
44 publications, 20.09%
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry of the Russian Academy of Sciences
18 publications, 8.22%
Université Bourgogne Franche-Comté
17 publications, 7.76%
A.V. Topchiev Institute of Petrochemical Synthesis RAS
8 publications, 3.65%
Joint Institute for High Temperatures of the Russian Academy of Sciences
8 publications, 3.65%
Organization not defined, 3, 1.37%
Organization not defined
3 publications, 1.37%
Moscow Institute of Physics and Technology
3 publications, 1.37%
National University of Science & Technology (MISiS)
3 publications, 1.37%
Skolkovo Institute of Science and Technology
2 publications, 0.91%
N.D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences
1 publication, 0.46%
National Research Nuclear University MEPhI
1 publication, 0.46%
Institute of Cytology of the Russian Academy of Sciences
1 publication, 0.46%
N.N. Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences
1 publication, 0.46%
Emanuel Institute of Biochemical Physics of the Russian Academy of Sciences
1 publication, 0.46%
Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences
1 publication, 0.46%
A.A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences
1 publication, 0.46%
ITMO University
1 publication, 0.46%
Shenzhen MSU-BIT University
1 publication, 0.46%
European Synchrotron Radiation Facility
1 publication, 0.46%
10
20
30
40
50
60

Countries from articles

10
20
30
40
50
60
70
Russia, 69, 69%
Russia
69 publications, 69%
France, 18, 18%
France
18 publications, 18%
USA, 7, 7%
USA
7 publications, 7%
Country not defined, 3, 3%
Country not defined
3 publications, 3%
China, 2, 2%
China
2 publications, 2%
United Kingdom, 1, 1%
United Kingdom
1 publication, 1%
10
20
30
40
50
60
70

Citing organizations

10
20
30
40
50
60
70
80
Organization not defined, 74, 11.82%
Organization not defined
74 citations, 11.82%
Lomonosov Moscow State University
58 citations, 9.27%
Mendeleev University of Chemical Technology of Russia
57 citations, 9.11%
Federal Research Center of Problem of Chemical Physics and Medicinal Chemistry RAS
56 citations, 8.95%
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry of the Russian Academy of Sciences
29 citations, 4.63%
European Synchrotron Radiation Facility
22 citations, 3.51%
A.V. Topchiev Institute of Petrochemical Synthesis RAS
18 citations, 2.88%
Université Bourgogne Franche-Comté
15 citations, 2.4%
Joint Institute for High Temperatures of the Russian Academy of Sciences
8 citations, 1.28%
University of Rostock
8 citations, 1.28%
Moscow Institute of Physics and Technology
6 citations, 0.96%
Kazan Federal University
5 citations, 0.8%
Martin Luther University Halle-Wittenberg
5 citations, 0.8%
National University of Science & Technology (MISiS)
4 citations, 0.64%
N.N. Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences
4 citations, 0.64%
University of Chinese Academy of Sciences
4 citations, 0.64%
Southern University of Science and Technology
4 citations, 0.64%
University of Augsburg
4 citations, 0.64%
Skolkovo Institute of Science and Technology
3 citations, 0.48%
Moscow Polytechnic University
3 citations, 0.48%
Shanghai Jiao Tong University
3 citations, 0.48%
South China Normal University
3 citations, 0.48%
Shanghai University
3 citations, 0.48%
Seoul National University of Science and Technology
3 citations, 0.48%
Hiroshima University
3 citations, 0.48%
Bauman Moscow State Technical University
2 citations, 0.32%
Institute of Cytology of the Russian Academy of Sciences
2 citations, 0.32%
Ioffe Physical-Technical Institute of the Russian Academy of Sciences
2 citations, 0.32%
ITMO University
2 citations, 0.32%
Tula State University
2 citations, 0.32%
Moscow Power Engineering Institute
2 citations, 0.32%
Kuban State University
2 citations, 0.32%
University of Electronic Science and Technology of China
2 citations, 0.32%
Karlsruhe Institute of Technology
2 citations, 0.32%
Katholieke Universiteit Leuven
2 citations, 0.32%
Ghent University
2 citations, 0.32%
Humboldt University of Berlin
2 citations, 0.32%
Grenoble Alpes University
2 citations, 0.32%
Nanjing University
2 citations, 0.32%
Chongqing University
2 citations, 0.32%
Polytechnic University of Milan
2 citations, 0.32%
University of Bologna
2 citations, 0.32%
Tianjin University
2 citations, 0.32%
University of Oslo
2 citations, 0.32%
Royal Holloway University of London
2 citations, 0.32%
Florida State University
2 citations, 0.32%
University of Chemistry and Technology, Prague
2 citations, 0.32%
National Yang Ming Chiao Tung University
2 citations, 0.32%
Xi'an University of Technology
2 citations, 0.32%
Italian Institute of Technology
2 citations, 0.32%
National Institute for Nuclear Physics
2 citations, 0.32%
Shanghai Institute of Ceramics, Chinese Academy of Sciences
2 citations, 0.32%
Pennsylvania State University
2 citations, 0.32%
City University of Hong Kong
2 citations, 0.32%
Harvard University
2 citations, 0.32%
Hunan University
2 citations, 0.32%
Dalian Institute of Chemical Physics, Chinese Academy of Sciences
2 citations, 0.32%
University of Science and Technology of China
2 citations, 0.32%
Guilin University of Electronic Technology
2 citations, 0.32%
Yokohama National University
2 citations, 0.32%
RWTH Aachen University
2 citations, 0.32%
University of Groningen
2 citations, 0.32%
University of Calgary
2 citations, 0.32%
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
1 citation, 0.16%
N.D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences
1 citation, 0.16%
National Research University Higher School of Economics
1 citation, 0.16%
National Research Nuclear University MEPhI
1 citation, 0.16%
Emanuel Institute of Biochemical Physics of the Russian Academy of Sciences
1 citation, 0.16%
Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences
1 citation, 0.16%
A.A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences
1 citation, 0.16%
Institute of Solid State Chemistry of the Ural Branch of the Russian Academy of Sciences
1 citation, 0.16%
Sirius University of Science and Technology
1 citation, 0.16%
Southern Federal University
1 citation, 0.16%
Dubna State University
1 citation, 0.16%
National Research Centre "Kurchatov Institute"
1 citation, 0.16%
Nizhny Novgorod State Technical University n.a. R.E. Alekseev
1 citation, 0.16%
Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency
1 citation, 0.16%
Kostroma State University named after N A Nekrasov
1 citation, 0.16%
Institute of Physics of the Ministry of Science and Education of the Republic of Azerbaijan
1 citation, 0.16%
Azerbaijan University of Architecture and Construction
1 citation, 0.16%
Institute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan
1 citation, 0.16%
King Fahd University of Petroleum and Minerals
1 citation, 0.16%
American University of Sharjah
1 citation, 0.16%
Indian Institute of Science
1 citation, 0.16%
Indian Institute of Technology Delhi
1 citation, 0.16%
Anna University
1 citation, 0.16%
Mahatma Gandhi University
1 citation, 0.16%
Thapar Institute of Engineering and Technology
1 citation, 0.16%
University of Kurdistan
1 citation, 0.16%
Central Electrochemical Research Institute
1 citation, 0.16%
Rajiv Gandhi Institute of Petroleum Technology
1 citation, 0.16%
Indian Institute of Petroleum and Energy
1 citation, 0.16%
Zanjan University
1 citation, 0.16%
Hebrew University of Jerusalem
1 citation, 0.16%
South China University of Technology
1 citation, 0.16%
Sichuan University
1 citation, 0.16%
Jilin University
1 citation, 0.16%
Qatar University
1 citation, 0.16%
ALBA Synchrotron
1 citation, 0.16%
Harbin Engineering University
1 citation, 0.16%
10
20
30
40
50
60
70
80

Citing countries

20
40
60
80
100
120
140
Russia, 129, 27.62%
Russia
129 citations, 27.62%
China, 57, 12.21%
China
57 citations, 12.21%
Country not defined, 49, 10.49%
Country not defined
49 citations, 10.49%
France, 45, 9.64%
France
45 citations, 9.64%
Germany, 30, 6.42%
Germany
30 citations, 6.42%
USA, 27, 5.78%
USA
27 citations, 5.78%
Spain, 14, 3%
Spain
14 citations, 3%
Italy, 12, 2.57%
Italy
12 citations, 2.57%
India, 10, 2.14%
India
10 citations, 2.14%
United Kingdom, 7, 1.5%
United Kingdom
7 citations, 1.5%
Republic of Korea, 7, 1.5%
Republic of Korea
7 citations, 1.5%
Belgium, 6, 1.28%
Belgium
6 citations, 1.28%
Japan, 6, 1.28%
Japan
6 citations, 1.28%
Poland, 5, 1.07%
Poland
5 citations, 1.07%
Slovakia, 5, 1.07%
Slovakia
5 citations, 1.07%
Australia, 4, 0.86%
Australia
4 citations, 0.86%
Canada, 4, 0.86%
Canada
4 citations, 0.86%
Malaysia, 4, 0.86%
Malaysia
4 citations, 0.86%
Mexico, 3, 0.64%
Mexico
3 citations, 0.64%
Netherlands, 3, 0.64%
Netherlands
3 citations, 0.64%
Czech Republic, 3, 0.64%
Czech Republic
3 citations, 0.64%
Switzerland, 3, 0.64%
Switzerland
3 citations, 0.64%
Sweden, 3, 0.64%
Sweden
3 citations, 0.64%
Austria, 2, 0.43%
Austria
2 citations, 0.43%
Argentina, 2, 0.43%
Argentina
2 citations, 0.43%
Israel, 2, 0.43%
Israel
2 citations, 0.43%
Iran, 2, 0.43%
Iran
2 citations, 0.43%
Norway, 2, 0.43%
Norway
2 citations, 0.43%
Croatia, 2, 0.43%
Croatia
2 citations, 0.43%
Kazakhstan, 1, 0.21%
Kazakhstan
1 citation, 0.21%
Portugal, 1, 0.21%
Portugal
1 citation, 0.21%
Azerbaijan, 1, 0.21%
Azerbaijan
1 citation, 0.21%
Bangladesh, 1, 0.21%
Bangladesh
1 citation, 0.21%
Hungary, 1, 0.21%
Hungary
1 citation, 0.21%
Greece, 1, 0.21%
Greece
1 citation, 0.21%
Denmark, 1, 0.21%
Denmark
1 citation, 0.21%
Qatar, 1, 0.21%
Qatar
1 citation, 0.21%
Kenya, 1, 0.21%
Kenya
1 citation, 0.21%
Lithuania, 1, 0.21%
Lithuania
1 citation, 0.21%
Moldova, 1, 0.21%
Moldova
1 citation, 0.21%
New Zealand, 1, 0.21%
New Zealand
1 citation, 0.21%
UAE, 1, 0.21%
UAE
1 citation, 0.21%
Saudi Arabia, 1, 0.21%
Saudi Arabia
1 citation, 0.21%
Singapore, 1, 0.21%
Singapore
1 citation, 0.21%
Thailand, 1, 0.21%
Thailand
1 citation, 0.21%
Tunisia, 1, 0.21%
Tunisia
1 citation, 0.21%
Sri Lanka, 1, 0.21%
Sri Lanka
1 citation, 0.21%
South Africa, 1, 0.21%
South Africa
1 citation, 0.21%
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40
60
80
100
120
140
  • We do not take into account publications without a DOI.
  • Statistics recalculated daily.