P.SIVAKUMAR, M. KANAGAPPAN, S. SAM MANOHAR DAS. PHYSICO-CHEMICAL CHARACTERISTICS OF UNTREATED EFFLUENT FROM TANNERY INDUSTRIES IN TAMIL NADU: A COMPARATIVE STUDY. ijpbs [Internet]. 2015 Mar. 31 [cited 2026 Jul. 24];6(1):446-51. Available from: https://ijpbs.net/index.php/journal/article/view/4010