A hand book of water pollution /
363.73940954SIN
Singh, Alka
A hand book of water pollution / by Alka Singh .- Delhi :Parikrama Prakashan,2014.
viii,144p.;23cm(Hb)
Note: Includes bibliographical references
ISBN:9788180210286 Rs. 400.00
DBAD/PUB /ENG-112717/ EN-96249 / 400.00 /sign
