Firdasari. “Description of the Knowledge and Attitude of the Nurse in the Wana Anu Center of Giving Early Breastfeeding Initiation (Imd) in Rsud Dr. Had » Sinaga Pangururan, Samosir District 2017”. Science Midwifery 10, no. 5 (December 30, 2022): 3937–3936. Accessed April 21, 2026. https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/1031.