Siregar, E. P., Manjorang, N. A. B., Artiani, L., & Sembiring, N. (2025). Optimizing menarche readiness through video and leaflet health education interventions among primary school girls. Jurnal Kesmas Prima Indonesia, 9(2), 156–163. https://doi.org/10.34012/jkpi.v9i2.7357