Ihsan, H., Hadi, M., & Sartohadi, J. (2020). Step-wise Overlay Technique for the Mapping of Unconfined Groundwater Potential Zone in Tectonically Controlled Landforms. International Journal of Geoinformatics, 16(4), 20–28. Retrieved from https://ijg.journals.publicknowledgeproject.org/index.php/journal/article/view/1791