[1] Tekirdag Namik Kemal Univ, Fac Econ & Adm Sci, Dept Econ, Tekirdag, Turkiye
[2] Kayseri Univ, Vocat Sch Tech Sci, Dept Mkt & Int Trade, Kayseri, Turkiye
[3] Anadolu Univ, Fac Tourism, Eskisehir, Turkiye
[4] Tekirdag Namik Kemal Univ, Sarkoy Vocat Sch, Dept Accounting & Taxat Applicat, Tekirdag, Turkiye
[5] Ningbo Univ Finance & Econ, Coll Int Econ & Trade, Ningbo 315175, Zhejiang, Peoples R China
[6] Ningbo Univ Finance & Econ, Belt & Rd Bulk Commod Res Ctr, Ningbo 315175, Zhejiang, Peoples R China
[7] Univ Espiritu Santo, Esai Business Sch, Samborondon 091650, Ecuador