Singhtho, T. (2017) “Readiness of Substance Abuse Treatment staff under the Department of Medical Services to support ASEAN Community”, Thai Journal of Addiction. Patumtani, Thailand, 5(1), pp. 1–13. available at: https://he01.tci-thaijo.org/index.php/pmnidat/article/view/248567 (accessed: 14 September 2026).