[1] King Faisal Univ, Coll Arts, Social Studies Dept, Al Hasa 400, Saudi Arabia
[2] Helwan Univ, Fac Tourism & Hotel Management, Tourism Studies Dept, Cairo 12612, Egypt
[3] Mansoura Univ, Fac Tourism & Hotels, Hotel Studies Dept, Mansoura 35516, Egypt
[4] StatisMed Stat Anal Serv, Giza 12573, Egypt
[5] St Petersburg State Univ, Grad Sch Management, Mkt Dept, St Petersburg 199004, Russia