Nurmawati, Ida, and Feby Erawantini. “Level of Knowledge of Menstruation in Supporting Elementary Students Preparation For Menarche”. Jurnal Kesehatan Masyarakat Andalas 12, no. 1 (June 25, 2018): 10–15. Accessed December 21, 2024. https://jurnal.fkm.unand.ac.id/index.php/jkma/article/view/270.