Mirza, A. K. ., M. B. . Khan, and S. . Hussain. “A Comparative Analysis of Teachers’ Evaluation Between Public and Private Sector Universities: A Case Study of Islamabad”. Pakistan Journal of Social Sciences, vol. 35, no. 1, June 2015, pp. 37-47, https://pjss.bzu.edu.pk/index.php/pjss/article/view/289.