AMORNCHOKKULPHAN, A. Development of a methadone service model in the Drug Use Harm Reduction Center (Drop-in center) in Chiang Rai Province: Research and Development. Suranaree Journal of Health Science, Nakhon Ratchasima, Thailand, v. 3, n. 2, p. e04335(1–16), 2025. Disponível em: https://he03.tci-thaijo.org/index.php/SJHSci/article/view/4335. Acesso em: 16 sep. 2026.