Wardana, Velian Sandy, and Bistok Hasiholan Simanjuntak. “Assessment of Factors Affecting Agricultural Soil Damage in the Upper Stream Sub-Watershed”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 12, no. 3 (July 20, 2023): 559–570. Accessed October 30, 2025. https://jurnal.fp.unila.ac.id/index.php/JTP/article/view/6805.