Ratih Wulansari. “Adolescents’ Knowledge and Practice of Clean and Healthy Living (PHBS) During the COVID-19 Pandemic”. Health Research Journal 3, no. 2 (August 28, 2025): 49–53. Accessed October 19, 2026. https://www.jurnal.cakrabirawamedia.com/index.php/hrj/article/view/137.