Simamora, Toga, Nuriadi Manurung, and Andy Sapta. “Pemetaan GIS Terhadap Usaha Kecil Menengah Di Kisaran Timur Berbasis Web”. J-Com (Journal of Computer) 1, no. 2 (July 31, 2021): 135-140. Accessed September 20, 2025. https://jurnal.stmikroyal.ac.id/index.php/j-com/article/view/1235.