Tripathi, A.K.
Water pollution / A.K. Tripathi. - New Delhi : Ashish Publishing House , 1995. - ix,326p. : ill.,tables,plates ; 23cm .
NULL
8170242673 Rs.300.00
WATER-POLLUTION
363.7394 / TRI/W
Water pollution / A.K. Tripathi. - New Delhi : Ashish Publishing House , 1995. - ix,326p. : ill.,tables,plates ; 23cm .
NULL
8170242673 Rs.300.00
WATER-POLLUTION
363.7394 / TRI/W