Juandi, M, and Muh Sarkowi. “2D Groundwater Depth for Analysis of The Zone Unconfined Aquifer”. International Series on Interdisciplinary Science and Technology 1, no. 1 (October 1, 2016): 16–19. Accessed January 15, 2026. https://insist.unila.ac.id.121-50-32-50.cpanel.site/index.php/ojs/article/view/10.