1. Abboud, I. A. (2018). Geochemistry and quality of groundwater of the Yarmouk basin aquifer, north Jordan. Environmental Geochemistry and Health, 40, 1405–1435.
2. Adimalla, N., Li, P., & Venkatayogi, S. (2018). Hydrogeochemical evaluation of groundwater quality for drinking and irrigation purposes and integrated interpretation with water quality index studies. Environment Process, 5(8), 1–21.
3. Amneera, W. A., Wahidatul, A. Z. N. N., Mohd Yusof, S. R., & Ragunathan, S. (2013). Water quality index of Perlis River, Malaysia. International Journal of Civil & Environmental Engineering, 13, 1–6.
4. Askri, B. (2015). Hydrochemical processes regulating groundwater quality in the coastal plain of Al Musanaah, Sultanate of Oman. Journal of African Earth Sciences, 106, 87–98.
5. Chesnaux, R. (2015). Scenarios of groundwater chemical evolution in a region of the Canadian Shield based on multivariate statistical analysis. Journal of Hydrology: Regional Studies, 4, 246–266.