Almeida, C., Gonzalez, S.O., Mallea, M., Gonzalez, P. (2012). A recreational water quality index using chemical, physical and microbiological parameters. Environ. Sci. Pollution Res. 19, pp. 3400–3411. https://doi.org/10.1007/s11356-012-0865-5. 2)
Alobaidy, A.H.M.J., Abid, H.S., Maulood, B.K. (2010). Application of Water Quality Index for Assessment of Dokan Lake Ecosystem, Kurdistan Region, Iraq. J. Water Resource Prot. DOI: 10.4236/jwarp.2010.29093.