Setiawan, Moch Eko Budi, and Ika Ratna Indra Astutik. “Geographic Information System of UMKM Location Mapping in Sidoarjo Regency : Sistem Informasi Geografis Pemetaan Lokasi UMKM Di Kabupaten Sidoarjo”. Procedia of Engineering and Life Science 2, no. 2 (June 30, 2022). Accessed August 24, 2025. https://pels.umsida.ac.id/index.php/PELS/article/view/1228.