Siddiq, Raden Herdian Bayu Ash, and Asep Anwar. “Study of Potential Groundwater Aquifers With Schlumberger Configuration Geo-Electric Method in Palanggai Village East Sumba Regency”. International Journal of Advanced Science and Technology 28, no. 6 (September 27, 2019): 113 - 122. Accessed August 9, 2022. http://sersc.org/journals/index.php/IJAST/article/view/380.