Hapsari Pratiwi NA, Nugraheni SA, Kartini A. Managing Early Detectionof Mothers with High-Risk Pregnancy by Health Surveillance Workers for Maternal and Child Health in Declining Maternal Mortality in Semarang City. ijels. 2019;4(4). Accessed July 22, 2024. https://journal-repository.com/index.php/ijels/article/view/278