Abu Bakar, M. B., N. R. A. Mohd Yazid, and N. N. Mahdi. “The Challenges and Impacts of Online Learning Towards UNISEL Undergraduates”. Selangor Humaniora Review, Vol. 5, no. 1, June 2021, pp. 93-06, https://share.journals.unisel.edu.my/ojs/index.php/share/article/view/138.