Vijayalakshmi R, Mahalingam S, Ramamoorthy P, Sivakumar R. “Water Quality Assessment for Irrigation in Tirukkalukkunram Watershed of Palar Basin, South India”. Design Engineering, Nov. 2021, pp. 474 -89, http://www.thedesignengineering.com/index.php/DE/article/view/6974.