Pradhananga, Srijana, S. Singh, and P.P. Panta. “Prevalence of Smoking Among Medical Students in Kathmandu, Nepal”. Nepal Medical College Journal 20, no. 4 (August 3, 2019): 169–172. Accessed November 22, 2024. https://nepjol.info/index.php/nmcj/article/view/25141.