et al., Katepogu. Raju. “Investigation of Heavy Metal Analysis in Wastewater Samples Around the Industrial Area of Gajulamandyam, Tirupati, A.P.”. International Journal of Advanced Science and Technology 28, no. 19 (December 29, 2019): 237 - 237. Accessed May 5, 2024. http://sersc.org/journals/index.php/IJAST/article/view/2521.