Uswatun Khasanah, K., & Muhammad Ali Sodik. (2026). The Effectiveness of Flipchart-Based Menstrual Hygiene Education in Improving Adolescent Girls’ Knowledge: A Pre-Experimental Study. Journal of Health Science Community, 7(1), 32–39. Retrieved from https://www.thejhsc.org/index.php/jhsc/article/view/390