Shrestha, DM, TK Aich, K Gautam, and D Bajracharya. “Opioid Dependence And Methadone Maintenance Treatment (MMT) Programme In Nepal In Three Different Decades: An Exploratory/Comparative Study”. Journal of Psychiatrists’ Association of Nepal 9, no. 2 (December 31, 2020): 3-11. Accessed June 19, 2021. https://nepjol.info/index.php/JPAN/article/view/36278.