Tambov State University, Tambov, Russia

Beijing Jiaotong University, Beijing, China

Trakya University, Edirne, Turkey

Faculty of Economics, University of Zagreb, Croatia

Faculty of Logistics, University of Maribor, Slovenia

Faculty of Economics and Informatics, University of Novo mesto, Slovenia

FON University in Skopje, North Macedonia

University „Union Nikola Tesla“ in Belgrade, Serbia

University of Zenica, Bosnia and Herzegovina

International Burch University in Sarajevo, Bosnia and Herzegovina