“Association Between Cigarette Package Warning Messages, Self-Efficacy, and Smoking Behavior among Students at Health Polytechnic in Surakarta, Indonesia” (2016) Journal of Health Policy and Management, 1(1), pp. 44–52. Available at: https://thejhpm.com/index.php/thejhpm/article/view/11 (Accessed: 13 November 2025).