Islami, Shilfia Ulfa, Hanung Prasetya, and Bhisma Murti. “Schools Have Contextual Influence on Smoking Behavior Among High School Students in Dumai, Riau”. Journal of Health Promotion and Behavior 4, no. 3 (July 16, 2019): 212–223. Accessed April 29, 2024. https://thejhpb.com/index.php/thejhpb/article/view/217.