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South-West University “Neofit Rilski”

Konstantin Preslavski University of Shumen

University of Rousse”Angel Kantchev”

Bourgas Prof.Assen Zlatarov University

University of Economics —Varna

Medical University — Sofia

Medical University — Varna

University of Architecture,Civil Engineering and Geodesy

Technical University of Sofia

University of Food Ttechnologies—Plovdiv

Agricultural University — Plovdiv

Technical University of Gabrovo

Lesotechnical University of Sofia

National music Academy — Sofia

Academy of Music,Dance and Fine Arts in Plovdiv

New Bulgarian University

Burgas Free University

Varna Free University

American University in Bulgaria

Nicola Vaptsarov Naval Academy