Ruhyat, Ejeb, Etna Fatmini, and Panji Aldino. 2017. “Application of Non-Smoking Area (KTR) in Bandung City in 2016”. Jurnal Sehat Masada 11 (1), 64-72. https://ejurnal.stikesdhb.ac.id/index.php/Jsm/article/view/31.