Wulandari, Septiana, and Titin Ungsianik. “Status Gizi, Aktivitas Fisik, Dan Usia Menarche Remaja Putri”. Jurnal Keperawatan Indonesia 16, no. 1 (March 24, 2013): 55–59. Accessed February 6, 2025. https://jki.ui.ac.id/index.php/jki/article/view/20.