Lua PL. Coping Mechanism Versus Health-Related Quality of Life (HRQoL) Among Methadone Maintance Treatment (MMT) Program Participants. Psychosocial rehabilitation [Internet]. 2013 Jun. 30 [cited 2025 Nov. 6];17(No. 1):155-67. Available from: https://www.psychosocial.com/index.php/ijpr/article/view/3175