Hoang, Thang Nghia, Duoc Tho Pham, and Ha Nguyen Thi Thu. 2018. “Sentinel Surveillance for HIV Among People Who Inject Drugs at Gia Lai Province, Vietnam”. GHMJ (Global Health Management Journal) 2 (2): 25-31. http://publications.inschool.id/index.php/ghmj/article/view/562.