Salsabila, A., Gafar Parinduri, A., & Medina Liza Lubis, H. (2025). Analysis of The Success Level of Pregnancy Women’s Classes As A Program To Prevent Maternal and Infant Mortality In Sambirejo Village Langkat Regency. International Journal of Health and Pharmaceutical (IJHP), 5(4), 705–716. https://doi.org/10.51601/ijhp.v5i4.471