Pamudya, Owen Al Azis, and Mochamad Miftakhul Jefriel. “Analisis Sistem Penagihan Dan Penertiban Pelanggan Menunggak Pada Perumda Air Minum Surya Sembada Surabaya: Sebuah Pendekatan Mixed Methods”. RIGGS: Journal of Artificial Intelligence and Digital Business 5, no. 2 (July 10, 2026): 14403–14410. Accessed August 21, 2026. https://journal.ilmudata.co.id/index.php/RIGGS/article/view/11139.