Devapriya, J. P. “Influence of Sulfate, Phosphate, Ammonia and Dissolved Oxygen on Biochemical Oxygen Demand of Marlimund Lake, Ooty, The Nilgiris: Influence of Sulfate, Phosphate, Ammonia and Dissolved Oxygen on Biochemical Oxygen Demand of Marlimund Lake, Ooty, The Nilgiris”. International Journal of Pharmaceutical & Biological Archive, vol. 9, no. 03, Sept. 2018, doi:10.22377/ijpba.v9i03.1639.