Published
              
  
  Toxicity reduction in leather tanning wastewater by improved coagulation flocculation process
by 
      Lofrano G., Belgiorno V., Gallo M.,  Raimo A. and Meri? S. 
by Stamou A.I., Noutsopoulos C., Pipilis K.G., Gavalaki E., Andreadakis A.