Prisilla Maya Heni Pratiwi, R. G. P. . Putri, N. W. Sukirto, and F. D. Astuti. “The Effect of Health Education on Knowledge of the Dangers of Smoking in Students of SMK Negeri 4 Yogyakarta”. Ahmad Dahlan Medical Journal, vol. 5, no. 1, Aug. 2024, pp. 71-76, http://journal2.uad.ac.id/index.php/admj/article/view/10302.