NAWARATNE, Sashiprabha; VIDANAPATHIRANA, Janaki. Improving substance use disorder care: Service providers’ perceptions on barriers to drug use treatment in the Western Province Sri Lanka. Asian Journal of Interdisciplinary Research, [S. l.], v. 6, n. 4, p. 1–9, 2023. DOI: 10.54392/ajir2341. Disponível em: http://asianres.in/index.php/ajir/article/view/23. Acesso em: 24 jun. 2026.