فهرس المقالات Alireza khodabbakhshi المقاله 1 - Youth migration patterns and its relationship with the level of development of cities in Khorasan Razavi province During the period 2006-2011 10.22034/ssyj.2021.1935506.1196 Alireza Khodabbakhshi Mahmoud Moshfegh Nader Motie Haghshenas Sociological of Studies of youth , العدد 5 , السنة 12 , زمستان 2021