Deffinika, I., & Putri, I. W. . (2020). Socio-economic Role on the Utilization of Maternal Healthcare Service in Sidoluhur, Lawang. Jurnal Spatial Wahana Komunikasi Dan Informasi Geografi, 20(2), 10–17. Retrieved from https://journal.unj.ac.id/unj/index.php/spatial/article/view/16280