D.A.Tsenov Academy of Economics

University of Food Technologies – Plovdiv

University of Security and Economics

International Business School

University of National and World Economy

University of finance, business and entrepreneurship

Vasil Levski National Military University

Technical University of Varna

University of Architecture, Civil Engineering and Geodesy

University of Agribusiness and Rural Development

University of Forestry

Todor Kableshkov Higher School of Transport

St. Ivan Rilski University of Mining and Geology

Medical University of Plovdiv

Varna Free University "Chernorizets Hrabar"

Medical University - Pleven

Higher School of Civil Engineering “Lyuben Karavelov“

Medical University - Sofia

Varna Medical University "prof. dr. Paraskev Stoyanov"

St. Cyril and St. Methodius University of Veliko Tarnovo