Villasari A, Suprapto SI, Indasah I. Video Presentation about Menarche and the Impact on Student Knowledge Level of Elementary and Islamic Primary School. jqph [Internet]. 2021 Apr. 30 [cited 2025 Sep. 18];4(2):239-50. Available from: https://www.jqph.org/index.php/JQPH/article/view/216