Mulyani, Sri, and Fitria Fitria. “Knowledge and Attitudes of Elementary Students at SDN Ranah Singkuang and SDN Pekanbaru in Choosing Snack Food”. Jurnal kesehatan komunitas (Journal of community health) 9, no. 1 (April 1, 2023): 56–65. Accessed May 2, 2024. https://jurnal.htp.ac.id/index.php/keskom/article/view/1307.