Zengin, Burhanettin, Professor at the Department of Tourism Guidance at Sakarya University of Applied Sciences.
ZENGIN, Burhanettin, Sakarya University of Applied Sciences
Zenin, Sergey , Candidate of Legal Sciences, Associate Professor; Institute of State and Law of University of Tyumen, Tyumen, Russia.
Zepeda, Sandra , Universidad de Guadalajara
Zhuchkov, Vasiliy , Candidate of Social Sciences; Moscow Polytechnic University, Moscow, Russian Federation.
, Instituto Gino Germani, Facultad de Ciencias Sociales, Universidad de Buenos Aires.
Zuzanek , Jiri, University of Waterloo, Canada
Zuzanek, Jiri, University of Waterloo, Canada

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