[1] Guangxi Police Coll, 6 Changhu Rd, Nanning, Guangxi, Peoples R China
[2] Univ Sains Malaysia, Sch Humanities, Geog Sect, Gelugor, Penang, Malaysia
[3] Princess Nourah Bint Abdulrahman Univ, Coll Business Adm, Dept Accounting, POB 84428, Riyadh 11671, Saudi Arabia
[4] Inner Mongolia Normal Univ, Sch Econ & Management, Hohhot, Inner Mongolia, Peoples R China