Sarraf, D. P. ., G. P. . Rauniar, B. K. . Karn, R. P. . Kushwaha, and S. . Keshwar. “Perception of Online Lectures Among Undergraduate Medical, Dental and Nursing Students During COVID-19 Pandemic: A Cross-Sectional Study at a Tertiary Teaching Hospital”. Birat Journal of Health Sciences, vol. 6, no. 2, Nov. 2021, pp. 1522-8, doi:10.3126/bjhs.v6i2.40352.