P.SIVAKUMAR; M. KANAGAPPAN; S. SAM MANOHAR DAS. PHYSICO-CHEMICAL CHARACTERISTICS OF UNTREATED EFFLUENT FROM TANNERY INDUSTRIES IN TAMIL NADU: A COMPARATIVE STUDY. International Journal of Pharma and Bio Sciences, [S. l.], v. 6, n. 1, p. 446–451, 2015. Disponível em: https://ijpbs.net/index.php/journal/article/view/4010. Acesso em: 24 jul. 2026.