Rasyid Ridha, Muh., Usman, and Nina Sawitri. “PELATIHAN ANDROID APLIKASI PEMETAAN SISTEM PENYEDIAAN AIR MINUM (SPAM) PERUMDA TIRTA INDRAGIRI”. Jurnal Karya Abdi 3, no. 1 (July 31, 2022): 14-24. Accessed August 30, 2025. https://ejournal.unisi.ac.id/index.php/karya/article/view/2125.