A. D. Safitri, R. Purwana, and S. W. Utumo, “The Potential of Spring Water Analysis for Drinking Water at Ujung Gagak Village, Kampung Laut Subdistrict, Cilacap Regency”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 10, no. SpecialIssue, pp. 139–146, Aug. 2024.