Teerawut Satupak, Benjayamas Pilayon, Kittiphoom Phinyo. The Effectiveness of a Self-Efficacy Development Program on Self-Efficacy and Preventive Behaviors Against Electronic Cigarette Use Among Male Vocational Students: A Quasi-Experimental Study. IJSE [Internet]. 2026 Aug. 1 [cited 2026 Oct. 22];41(16s):1486-92. Available from: https://mail.internationalsped.com/index.php/ijse/article/view/5197