Sri Yuni, Meki, Ruwayda Ruwayda, and Herinawati Herinawati. 2021. “The Effectiveness of Flipcharts and Animated Videos on Primigravida Knowledge about Childbirth Preparation”. Jurnal Kesehatan Komunitas (Journal of Community Health) 7 (3):288-95. https://doi.org/10.25311/keskom.Vol7.Iss3.1039.