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1 (522) | Bulgarian Academy of Sciences * | BGR | ![]() | |
2 (938) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | ![]() | |
3 (1178) | Trakia University | BGR | ![]() | |
4 (1237) | Sofia University | BGR | ![]() | |
5 (1435) | University of Plovdiv Paisii Hilendarski | BGR | ![]() |