“Physico-Chemical Study of Waste Water Drained by Hospital of Patna: Characteristics and Treatment of Hospital Wastewater in Patna”. Journal of Advances and Scholarly Researches in Allied Education 16, no. 9 (June 1, 2019): 1032–1035. Accessed December 17, 2025. https://ignited.in/index.php/jasrae/article/view/12345.