1 (1066) | Sofia University | BGR | ||
2 (1892) | Technical University of Sofia | BGR | ||
2 (1892) | University of Plovdiv Paisii Hilendarski | BGR | ||
4 (2905) | Bulgarian Academy of Sciences | BGR | ||
4 (2905) | Medical University of Sofia | BGR | ||
4 (2905) | Trakia University | BGR | ||
4 (2905) | University of Chemical Technology and Metallurgy | BGR | ||