Siregar N, Indah S, Sembiring A, Marini T, Mahayani E, Sukaisi, Lusiana Gultom, Alfrianne. EDUKASI PERSIAPAN MASA PRA KONSEPSI MELALUI METODE ULAR TANGGA. COM SERV EDU [Internet]. 2024 Jul. 31 [cited 2025 May 3];6(2):14-9. Available from: https://ejurnal2.poltekkestasikmalaya.ac.id/index.php/emass/article/view/451