Environmental sciences :
363.7CHH
Chhatwal, Rajni Johar
Environmental sciences : a systematic approach / by Rajni Johar Chhatwal.- 2nd rev. enl. ed.-New Delhi:UDH Publishers & Distributors,2011.
xx,376p. :ill.;24cm(pbk)
ISBN:9788185044873 Rs. 215.00 ISBN:8185044872 Rs. 215.00
DBAD/PUB /ENG-104956/ EN-88489 / 215.00 /sign
