S.Elabbas, L.Mandi, and N.Ouazzani, 2012. Application of chemical precipitation and natural bioadsorption to tannery waste water for chromium removal. Second SOWAEUMED International Workshop on Innovative Technologies for Solid Waste and water treatment, Marrakech, 23-26 May 2012. Book of Abstracts, ISBN: 978-9954-31-193-6.