Radhika, R., S. Mathew, and S. Prasad. “Physico - Chemical and Biological Water Quality Analyses of Meenachil River, Kottayam, Kerala, South India”. UTTAR PRADESH JOURNAL OF ZOOLOGY, vol. 44, no. 2, Mar. 2023, pp. 79-94, doi:10.56557/upjoz/2023/v44i23408.