PENGARUH METODE SNOWBALL THROWINGTERHADAP PERUBAHAN PERILAKU MENGGOSOK GIGI. JIKSHT [Internet]. 2020 Mar. 30 [cited 2025 Aug. 3];15(1):139-50. Available from: http://journal.stikeshangtuah-sby.ac.id/index.php/JIKSHT/article/view/66