Purwanti, Lina Ema, Enggar Prasetyo, and Saiful Nurhidayat. “Faktor Risiko Osteopenia Pada Remaja”. Jurnal Ners dan Kebidanan (Journal of Ners and Midwifery) 2, no. 1 (April 1, 2015): 038–042. Accessed July 6, 2024. http://ojs.phb.ac.id/index.php/jnk/article/view/0050.