Wilopo, W., R. Risanti, R. Susatio, and D. P. E. Putra. “Seawater Intrusion Assessment and Prediction of Sea-Freshwater Interface in Parangtritis Coastal Aquifer, South of Yogyakarta Special Province, Indonesia”. Journal of Degraded and Mining Lands Management, vol. 8, no. 3, Apr. 2021, pp. 2709-18, doi:10.15243/jdmlm.2021.083.2709.