– CORVINUS UNIVERSITY OF BUDAPEST – HUNGARY

– KEPLER UNIVERSITY LINZ – AUSTRIA

– MASARYK UNIVERSITY – CZECH REPUBLIC

– SLOVAK UNIVERSITY OF TECHNOLOGY IN BRATISLAVA – SLOVAKIA

– SZENT ISTVAN UNIVERSITY GÖDÖLLÖ – HUNGARY

– SUMY NATIONAL AGRARIAN UNIVERSITY – UKRAINE

– TECHNICAL UNIVERSITY OF SOFIA – BULGARIA

– TECHNICAL UNIVERSITY, ZVOLEN – SLOVAKIA

– UNIVERSITY OF APPLIED SCIENCES DEGGENDORF – GERMANY

– UNIVERSITY OF BELGRADE – SERBIA

– UNIVERSITY OF FORESTRY, SOFIA – BULGARIA

– UNIVERSITY OF LJUBLJANA – SLOVENIA

– UNIVERSITY OF NATURAL RESOURCES AND LIFE SCIENCES BOKU – AUSTRIA