Hasrida, Hasrida, Melisa Rian Sari, and Silvia Nada. 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), 87-98. https://doi.org/10.37287/ijghr.v7i1.4040.