Hasrida, H., Sari, M.R. and Nada, S. 2024. The Effect of using E-Booklet Media on Increasing the Knowledge of Primigravida Mothers about Breastfeeding Techniques and Newborn Umbilical Cord Care. Indonesian Journal of Global Health Research. 7, 1 (Sep. 2024), 87-98. DOI:https://doi.org/10.37287/ijghr.v7i1.4040.