Shaterian, M., A. Oshnooei, M. Ganjipour, A. Akbari, and M. Reisi. “City Size and Socio-Economic Participation of Citizens: Iranian Case Study”. The International Journal of Humanities & Social Studies, vol. 3, no. 8, Aug. 2015, http://www.internationaljournalcorner.com/index.php/theijhss/article/view/141110.