1. School of Tourism, Hainan University, Haikou 570228, China
2. Business and Economic Department, Girne American University, 99428 Kyrenia, TRNC, Turkey
3. Industrial Engineering Department, Cyprus International University, 99258 Nicosia, TRNC, Turkey
4. Young Researchers and Elite Club, Khomeinishahr Branch, Islamic Azad University, Isfahan, Iran