Aftab, Junaid, Huma Sarwar, Ali Haider Khan, and Alina Kiran. 2019. “Critical Factors Which Impact on Students’ Satisfaction: A Study of E-Learning Institutes of Pakistan”. Asian Journal of Distance Education 14 (2), 32-46. http://asianjde.org/ojs/index.php/AsianJDE/article/view/422.