Anggraini, Anggita, and Mardiati Nadjib. “Quality of Life Among Methadone Maintenance Treatment (MMT) Patients With Higher Education”. Health Science Journal of Indonesia 9, no. 2 (December 27, 2018): 93-98. Accessed May 6, 2024. http://ejournal2.litbang.kemkes.go.id/index.php/hsji/article/view/810.