Subba, Ramesh, and Hem Kumari Subba. “Online Teaching Learning During COVID-19 Pandemic : Perception and Challenges Faced by Teachers”. Journal of Physiological Society of Nepal 2, no. 1 (June 30, 2021): 25–31. Accessed April 28, 2024. https://nepjol.info/index.php/jpsn/article/view/42589.