P. Leeviroj, B. Ngowtrakul, and D. Koolkaew, “Factors Affecting Smoking BehFavior of Out-ofSchool Adolescents and the Effectiveness of Development Program of Cognitive Behavior Therapy to Reducing Smoking Behavior”, soc sci hum utcc, vol. 37, no. 4, pp. 75–91, Mar. 2019.