Institute of Mathematics and Informatics, Bulgarian Academy of Sciences
Liepaja University, Latvia
Medical University - Varna, Bulgaria
University of Nish, Serbia
Institute of Higher Studies of Fafe, Portugal
Alanya Alaaddin Keykubat University, Turkey
Institute of Higher Studies of Fafe, Portugal
Institute of Higher Studies of Fafe, Portugal
University of National and World Economy, Bulgaria
University of Economics - Varna, Bulgaria
Awadhesh Pratap Singh University, India
National College of Ireland, Ireland
Sofia University "St. Kliment Ohridski", Bulgaria
University of Macedonia, Thessaloniki, Greece
South Valley University, Egypt
University of Economics - Varna, Bulgaria
Novosibirsk State Technical University, Russia
Institute for Population and Human Studies, BAS
Trakya University, Republic of Türkiye
Ignacy Mościcki University of Applied Sciences in Ciechanów
University of Economics - Varna, Bulgaria
University of Economics - Varna, Bulgaria
University of Economics - Varna, Bulgaria
University of Economics - Varna, Bulgaria
The Executive Director of
the Central Bank of Montenegro
Executive Director of SFB Capital Market JSC
Manager of BIC Capital Market Ltd.