R.Raju, Naresh Gopal, Nirumal Rajoo, and Vignes Rao Nagaraju Roo. “Automatic Changeover Discharge Valves Of Sewage Treatment Plant”. ALAM Journal of Maritime Studies 4, no. 1 (July 10, 2025): 1–11. Accessed July 18, 2025. https://ajms.alam.edu.my/index.php/ajms/article/view/15.