1 (526) | Medical University of Sofia * | BGR | ||
2 (593) | Sofia University | BGR | ||
3 (598) | Bulgarian Academy of Sciences * | BGR | ||
4 (665) | University of Plovdiv Paisii Hilendarski | BGR | ||
5 (727) | University of Forestry Sofia | BGR | ||
6 (733) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | ||