Roy, Parinal.
Ecological imbalances of the Ganga river system: its impact on aquaculture / Parimal Roy. - New Delhi : Daya Publishing House , 1998. - xi+ 1 ,241p. : ills.,figs.,maps,tables ; 25cm. .
NULL
8170351952 Rs.695.00
WATER POLLUTION
577.64 / ROY/E
Ecological imbalances of the Ganga river system: its impact on aquaculture / Parimal Roy. - New Delhi : Daya Publishing House , 1998. - xi+ 1 ,241p. : ills.,figs.,maps,tables ; 25cm. .
NULL
8170351952 Rs.695.00
WATER POLLUTION
577.64 / ROY/E