1. Chromium removal from tannery wastewater using chemical and biological techniques aiming zero discharge of pollution;Abdulla,2010
2. Cleaner Technologies İn the Tanning Industry;Alexander,1990
3. Standard Methods for the Examination of Water and Wastewater,1999
4. Cleaner Production Options for Solid Waste Management in the Leather Industry;Ayalew,2005
5. Impacts of chromium from tannery effluent and evaluation of alternative treatment options;Belay;J. Environ. Prot.,2010