Groundwater Pollution Risk Analysis in Wonosari Basin and Gunungsewu Karst Transition Zone, Gunungkidul, IndonesiaR. Sisthannisa, M. Widyastuti and T.N. AdjiE3S Web Conf., 468 (2023) 08005DOI: https://doi.org/10.1051/e3sconf/202346808005