Salsabila A, Gafar Parinduri A, Medina Liza Lubis H. Analysis of The Success Level of Pregnancy Women’s Classes As A Program To Prevent Maternal and Infant Mortality In Sambirejo Village Langkat Regency. IJHP [Internet]. 2025 Nov. 13 [cited 2026 Feb. 4];5(4):705-16. Available from: https://ijhp.net/index.php/IJHP/article/view/471