Dallas, C. J, Kaewmart N, Detchaiyot P, Phaowiriya H. The Effectiveness of Motivational Enhancement Group Therapy Program on Optimism among Youths with Amphetamine Abuse. J DMS [internet]. 2018 Oct. 1 [cited 2025 Mar. 26];43(5):148-53. available from: https://he02.tci-thaijo.org/index.php/JDMS/article/view/247864