Lignende værker: Scientific WORKS of the Union of Scientists in Bulgaria - Plovdiv. Series A. Social Sciences, Art & Culture
- Scientific Works of the Agricultural University, Plovdiv
- Urban ecology studies of the amphibians and reptiles in the city of Plovdiv, Bulgaria /
- Izvestia Journal of the Union of Scientists - Varna. Economic Sciences Series
- Scientific Works. Series C, Veterinary Medicine
- Minorías y pluralismo cultural en Bulgaria /
- Bulgaria - CCW