Deffinika I, Putri IW. Socio-economic Role on the Utilization of Maternal Healthcare Service in Sidoluhur, Lawang. SPATIAL [Internet]. 2020 Dec. 1 [cited 2024 Nov. 22];20(2):10-7. Available from: https://journal.unj.ac.id/unj/index.php/spatial/article/view/16280