Deffinika, Ifan, and Inanditya Widiana Putri. “Socio-Economic Role on the Utilization of Maternal Healthcare Service in Sidoluhur, Lawang”. Jurnal Spatial Wahana Komunikasi dan Informasi Geografi 20, no. 2 (December 1, 2020): 10-17. Accessed April 29, 2025. http://103.8.12.212:33180/unj/index.php/spatial/article/view/16280.