Sapkota, S., A. Khadka, and G. Akela. “Contributing Factors to Relapse of Drug Addiction Among Clients Attending Rehabilitation Centres of Dharan, Nepal”. Journal of Chitwan Medical College, vol. 6, no. 3, Feb. 2017, pp. 20-25, https://nepjol.info/index.php/JCMC/article/view/16695.