Emilia, Emilia, et al. “The Effectiveness of Booklets on Adolescents’ Knowledge of the Dangers of Smoking at Santo Lukas High School, North Jakarta: Emilia, Ami Kadewi, Surandi Ketaren”. Jurnal Persada Husada Indonesia, vol. 12, no. 3, July 2025, pp. 93-98, doi:10.56014/jphi.v12i3.447.