Ladbuakhao, N., N. Bunthumporn, and S. Vuthiarpa. “The Effects of a Self-Efficacy Program on The Coping Behaviors of Amphetamine Dependent Patients”. Journal of The Royal Thai Army Nurses, vol. 22, no. 3, Dec. 2021, pp. 181-9, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/245465.