Jeyaraj, M., K. Ramakrishnan, S. Arunachalam, and P.N. Magudeswaran. 2016. “A Modified Water Quality Index for Ponds Connected With River Noyyal, Coimbatore, India”. Asian Journal of Chemistry 28 (7):1469-73. https://doi.org/10.14233/ajchem.2016.19719.