Islam, Salequl. “Unlearning, Relearning, and Paradigm Shift to Online Tertiary Education During the COVID-19 Pandemic in Bangladesh”. Bangladesh Journal of Medical Science 20, no. 5 (September 5, 2021): 65–71. Accessed November 28, 2021. https://www.banglajol.info/index.php/BJMS/article/view/55399.