“Performance of Organic overloaded WWTP Comprise Primary followed by Secondary Attached Growth Biological Treatment- Case Study”, Int. J. Curr. Eng. Technol., vol. 5, no. 2, pp. 640–644, Apr. 2015, Accessed: Apr. 10, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/2009