., K., and U. Natesan. “Water Quality of Temporarily open/Closed Muttukadu Backwater, Tamilnadu, India”. Journal of Research in Biology, Vol. 7, no. 1, Jan. 2017, pp. 2158-66, https://ojs.jresearchbiology.com/ojs1/index.php/jrb/article/view/435.