Correlation of Factors Triggering Snack Habits of Al Khairiyah Elementary School Children in Sunggal District, Deli Serdang Regency. jisk [Internet]. 2020 Dec. 31 [cited 2024 Sep. 19];1(1):6-11. Available from: https://ejournal.sumateraconnect.or.id/index.php/jisk/article/view/2