Nurwijayanti, Andriyani Mustika, et al. “Menstruation Is a Natural Biolog Adolescent Girls’ Knowledge about Maintaining Personal Menstrual Hygiene”. Jurnal Penelitian Perawat Profesional, vol. 8, no. 4, Aug. 2026, pp. 81-86, doi:10.37287/jppp.v8i4.2578.