Hongitiyanon T, Tumtong B. The Development of Perceived Self-efficacy Program for Narcotics Avoiding among Adolescents in Chonburi Province. JPNC [internet]. 2022 Jun. 15 [cited 2026 Sep. 28];33(1):211–223. available from: https://he01.tci-thaijo.org/index.php/pnc/article/view/255141