Adiputra, Agung, and Winarno. “Study of Groundwater Salinity Distribution in Coastal Areas, Adimulyo District, Kab. Kebumen, Central Java”. Jurnal Spatial Wahana Komunikasi Dan Informasi Geografi, vol. 22, no. 1, Dec. 2022, pp. 60-66, doi:10.21009/spatial.221.9.