Shamaki, Muazu Alhaji, and Katiman Rostam. “Factors Affecting Maternal Mortality In Sokoto State, Nigeria: Faktor-Faktor Yang Mempengaruhi Kematian Semasa Hamil Di Negeri Sokoto, Nigeria”. GEOGRAFI 1, no. 2 (October 2, 2013): 59–70. Accessed April 29, 2024. https://ojs.upsi.edu.my/index.php/GEOG/article/view/455.