Abeng AT, Wahyuni A. THE RELATIONSHIP OF FAMILY KNOWLEDGE AND SUPPORT WITH SELF EFFICACY OF BREASTFEEDING IN PRIMIPARA MOTHERS IN THE WORK AREA OF MAMAJANG PUSKESMAS, MAKASSAR CITY. JBK [Internet]. 2021 Dec. 30 [cited 2026 Apr. 22];14(2). Available from: https://www.ojs.stikes.gunungsari.id/index.php/JBK/article/view/83