Assessment of Selected Springs Water in Aqra Area, Duhok Governorate, Northern Iraq. Iraqi Geological Journal Vol. 54, No. 2E, pp. 134-149. Bemmelen, R.W.van. (1949). The Geology of Indonesia. The Hague: Government printing Office. Brahmantyo, B. dan Bandono. (2006): Klasifikasi bentuk muka bumi (landform) untuk pemetaan geomorfologi pada skala 1:25.000 dan aplikasinya untuk penataan ruang. Jurnal Geoaplika Vol. 1, No. 2, pp. 71–78. BPS Jawa Barat. 2019. Persentase Rumah Tangga Menurut Sumber Air Minum (%), 2019. Diakses dari https://jabar.bps.go.id/ Chadha, D. K. (1999). A proposed new diagram for geochemical classification of natural waters and interpretation of chemical data. Hydrogeology Journal, 7(5), 431–439 Chin, W. W. (1998). The Partial Least Squares Aproach to Structural Equation Modeling. Modern Methods for Business Research, 295, 336 Davis, S.N. and De Wiest, R.J.M. (1966) Hydrogeology. Vol. 463. Wiley, New York. Eaton, F. M., 1950. Significance of carbonates in irrigation waters. Soil science, 69(2), 123-134 El.jabar.com. (2020). Peternakan Sapi 3,7 Hektar Ganggu Kenyamanan Warga. https://eljabar.com/ Fetter, C.W. (2014). Applied hydrogeology fourth edition. USA: Prentice-Hall Inc. Fisher, R.S., dan Mullican, I.W.F. (1997). Hydrochemical evolution of sodium sulfate and sodium-chloride groundwater beneath the Northern Chihuahuan Desert, Trans-Pecos, Texas, USA. Hydrogeology Journal, 5(2), 4–16 Gibbs, R. (1970). Mechanism Controlling World River Water Chemistry. Science, Vol. 170, No. 3962, pp. 1088-1090. American Association for the Advancement of Science Hem, J.D. (1991). Study and interpretation of the chemical characteristics of natural waters (third edition). Jodphur: Scientific Publishers. Hidayat, A., Suprayogi, S., dan Cahyadi, A. (2016). Analisis Kesesuaian Kualitas air untuk Irigasi pada Beberapa Mataair di Kawasan Karst Sistem Goa Pindul. Yogyakarta : Badan Penerbit Fakultas Geografi Universitas Gadjah Mada Hidayatullah dkk. (2005). Pengelolaan Limbah Cair Usaha Peternakan Sapi Perah melalui Penerapan Konsep Produksi Bersih. Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Vol. 8, No.1, pp. 124-136 Hounslow, A.W. (1995). Water quality data analysis and interpretation. Florida: CRC Press.