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★ Alexandra Matos Pereira, Portugal.
★ Andrea Žerajić, Ph.D., Professor of German language at the College of Hotel Management, Serbia.
★ Anna Veszprémi Sirotková, Slovakia.
★ Dirk REISER, German.
★ Elena-SimonaBalea, Romania.
★ Elisabetta Mafrolla, Italy.
★ Heba Mahmoud Saad Abdel-Naby, Egypt.
★ Jose Ramon Saura, Professor of Information Systems and Digital Marketing/Digital Business Economics, Rey Juan Carlos University, Spain.
★ Kerem Yildirim SIMSEK, Associate Professor, Faculty of Sport Sciences, Head of Recreation Department, Anadolu University, Turkey.
★ Lamiaa M. Moustafa, Egypt.
★ Mukhles M. Al-Ababneh, Jordan.
★ Niko Chikhladze, Georgia.
★ Rajiv Mishra, India.
★ Rangana Sri Shalika, Sri Lanka.
★ ROSA ANNA LA ROCCA, PhD in Urban and Regional Planning, researcher at the Department of Civil, Architectural and Environmental Engineering (DICEA), University of Naples Federico II, Italy.
★ Simona Elena Balea, Romania