Sinaga, Siti Nurmawan. “The Role of the Midwife As an Implementer in Handling Risk 4T in Puskesmas Basah Rice, Pangkalan Susu Subdistrict, Langkat District in 2021”. Science Midwifery 10, no. 4 (October 30, 2022): 3537–3542. Accessed May 25, 2026. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/991.