Pakpahan, P. R., Larasati, T., Sibuea, S., & Sahli, Z. (2014). The Efectiveness of Booklet for Improved Knowledge and Attitude about Cigarette and its Dangerous at SDN 01 Panjang Selatan, Panjang, Bandar Lampung. Majority, 3(6). Retrieved from https://juke.kedokteran.unila.ac.id/index.php/majority/article/view/297