STATTEV Statty, University of National and World Economy, Sofia Bulgaria

GECHEV Rumen, University of National and World Economy, Sofia Bulgaria

GOEV Valentin, University of National and World Economy Sofia Bulgaria

SLAVOVA Milanka, University of National and World Economy Sofia Bulgaria

RALEVA Stela, University of National and World Economy Sofia Bulgaria

BORICIC Branislav, University of Belgrade, Belgrade , Serbia

DAMYANOV Atanas, University "D. Tsenov", Svishtov, Bulgaria

KARADZIC Vesna, University of Montenegro, Podgorica, Montenegro

MEMAJ Fatmir, University of Tirana, Tirana, Albania

MIKEREVIC Dejan, University of Banja Luka, Bosnia Herzegovina

NAKOV Leonid, "Ss Cyril and Methodius" University, Skopje, North Macedonia

PARASCHIV Dorel, Bucharest University of Economic Studies, Romania

WIERZBINSKI Bogdan, University of Rzeszow, Poland

ZAROTIADIS Grigoris, Aristotle University of Thessaloniki, Greece