Mawardi Purbo Sanjoyo. “The Utilization of Brantas River in the Era of Kediri until Majapahit Kingdom”. Santhet (Jurnal Sejarah Pendidikan Dan Humaniora) 5, no. 2 (October 14, 2021): 138-146. Accessed November 21, 2024. https://ejournal.unibabwi.ac.id/index.php/santhet/article/view/1491.