Teerawut Satupak, Benjayamas Pilayon, Kittiphoom Phinyo 2026. 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. International Journal of Special Education. 41, 16s (Aug. 2026), 1486–1492.