Musa, Olha, and Zainudin Sidik. “Geographic Information System of Oil Palm Location Based on Android”. The IJICS (International Journal of Informatics and Computer Science) 5, no. 2 (July 31, 2021): 166–172. Accessed February 28, 2026. https://ejurnal.stmik-budidarma.ac.id/index.php/ijics/article/view/3173.