1 (54) | South West University Neofit Rilski | BGR | ![]() | |
2 (211) | University of Chemical Technology and Metallurgy | BGR | ![]() | |
3 (655) | Bulgarian Academy of Sciences * | BGR | ![]() | |
4 (761) | University of Rousse | BGR | ![]() | |
5 (766) | Sofia University | BGR | ![]() | |
6 (781) | Technical University of Sofia | BGR | ![]() | |