Published
              
  
  Watershed management with special emphasis on fresh water wetland: a case study of a flood plain wetland in west Bengal, India
by 
      Biswas M., Samal N.R.,  Roy P.K. and  Mazumdar A.
by Stamou A.I., Noutsopoulos C., Pipilis K.G., Gavalaki E., Andreadakis A.