1. Geography and Rural Planning, Department of Geography, Faculty of Letters & Humanities, Ferdowsi University of Mashhad, Mashhad, Iran
2. Institute of Tourism Research, ACECR of Khorasan Razavi, Student of Geography and Rural Planning, Ferdowsi University of Mashhad, Mashhad, Iran
3. Institute of Tourism Research, ACECR, Mashhad City, Iran