Jha, R, AP Weerakoon, KB Karki, S Shrestha, and PWK Gamage. “Lung Cancer and Smoking in Asia”. SAARC Journal of Tuberculosis, Lung Diseases and HIV/AIDS 5, no. 1 (May 7, 2010): 33–38. Accessed January 13, 2025. https://nepjol.info./index.php/SAARCTB/article/view/3082.