Masytah, M., Fitriani, H. and Utami, R.B. 2024. The effectiveness of peer group health education in improving adolescents’ knowledge of menstrual personal hygiene. ELECTRON (Journal of Science and Technology). 6, 1 (Jan. 2024), 8–12. DOI:https://doi.org/10.53770/electron.v6i1.646.