1 (509) | Bulgarian Academy of Sciences * | BGR | ||
2 (598) | Technical University of Sofia | BGR | ||
3 (647) | University of Plovdiv Paisii Hilendarski | BGR | ||
4 (677) | Sofia University | BGR | ||
5 (693) | University of Forestry Sofia | BGR | ||
6 (709) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | ||
7 (745) | University Prof. Dr. Assen Zlatarov | BGR | ||