Haryanto, A. N. ., M. Noer, A. Kusumayati, R. Machmud, H. Hafizurrachman, and A. . Bachtiar. “Determinant of Smoking Behavior Among Elementary Student in Indonesia: A Structure Equation Model”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. E, Aug. 2021, pp. 773-8, doi:10.3889/oamjms.2021.5833.