Dr. Rajendra Prasad Central Agricultural University, Pusa Search for 'au:"Ray, P."'

Ecological Imbalance of the Ganga River System Its Impact on Aquaculture

By Ray, P.. Delhi Daya Publishing House 1998 . 241 8170351952

By Ray, P. K.. New Delhi Scientific Publishers 2012 . 407 9788172337681

By Ray, P. K.. Jodhpur Scientific Publishers 2012 . 407 9788172339674

By Ray, P. K.. New Delhi Scientific Publishers 2012 . 407 9788172337674

By Ray, P.. Delhi Daya Publishing House 2010 . 396 8170356393

.- New Delhi : Food and Agriculture Organization 2012 . xv,219p.

By Ray, P. K.. RAU2012 . 134p.