Ikhsanudin, Muhammad Rafi, and Ernawati Pasaribu. “Modeling the Percentage of Poor Population in Java Island Using Geographically Weighted Regression Approach”. Jurnal Matematika, Statistika dan Komputasi 20, no. 1 (September 6, 2023): 229- 244. Accessed January 19, 2025. http://118754.2bdvi7ajx.asia/index.php/jmsk/article/view/27804.