Trivedi, P.R <br/><br/>
Encyclopaedia of environmental sciences, Vol.19  management and environmental education and research 

 - New Delhi  Akashdeep  1992 
 - [vi],254 p. 
<br/><br/><label>ISBN: </label>8171582796 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENCYCLOPAEDIA<br/>ENVIRONMENT, POLLUTION, ECOLOGY
<br/><br/><label>Dewey Class. No.: </label>551.03  / TRI