MKM, Masnawati. " THE RELATIONSHIP OF MOTHER'S KNOWLEDGE WITH EARLY BREASTFEEDING FOR BABIES IN SIALAMAN VILLAGE, SIPIROK DISTRICT, TAPANULI SELATAN REGENCY IN 2020." Jurnal Kesehatan Ilmiah Indonesia (Indonesian Health Scientific Journal) [Online], 6.2 (2021): 140 - 149. Web. 25 Apr. 2024