Sri Wulandari, Sulistiyawati, Yuyun Beweli Fahmi, & Elvira Junita. (2025). Relationship Between Postnatal Mothers’ Knowledge And Care Behavior Of The Umbilical Cord In Newborns In The Working Area Of The Kepenuhan Community Health Center. International Journal of Health Engineering and Technology, 4(3). https://doi.org/10.55227/ijhet.v4i3.346