Bancin LJ, Hasibuan FM, Elisa E, Maha EA. Tren kematian ibu di Provinsi Sumatera Utara Tahun 2018 – 2020. jpms [Internet]. 2023 Jun. 1 [cited 2026 Apr. 3];5(1):1-11. Available from: http://139.162.50.187/index.php/jpms/article/view/3507