Maizuputri S, Mutmainnah M, Meinarisa. Educational Packages on Breastfeeding Increase Behavior and Self-Efficacy of Mothers . bik [Internet]. 2024 Jul. 30 [cited 2024 Aug. 10];17(2):152-61. Available from: https://journals2.ums.ac.id/index.php/bik/article/view/4664