Rakhi Dewangan, Dr. Sindhu J. Nair, Dr. Santosh Kumar Sar, Reena V Mathai. Utilizing Natural Coagulants As Substitutes for Chemical Coagulants in the Treatment of Drain Water (Naala) in Birgaon, Raipur, C.G. PEGEGOG 2023, 13, 474-481.