1. Abbasi, S. A. (2002). Water quality indices, state of the art report. Scientific Contribution No. INCOH/SAR, 25.
2. Al-Rawajfeh, A. E., Glade, H., & Ulrich, J. (2005). Scaling in multiple-effect distillers: the role of CO2 release. Desalination, 182(1-3), 209–219. https://doi.org/10.1016/j.desal.2005.04.013.
3. APHA (2005). American Public Health Association (APHA) Standard methods for the examination of water and wastewater (21st ed.), APHA, Washington DC: American Public Health Association.
4. Ayers, R. S., & Westcot, D. W. (1985). Water quality for agriculture. Irrigation and Drainage Paper No. 29, FAO, Rome. http://www.fao.org/docrep/003/T0234E/T0234E00.htm.
5. Bai, J., Ouyang, H., Xiao, R., Gao, J., Gao, H., Cui, B., & Huang, L. (2010). Spatial variability of soil carbon, nitrogen, and phosphorus content and storage in an alpine wetland in the Qinghai–Tibet Plateau, China. Soil Research, 48(8), 730–736.