Trivedi, P.R. <br/><br/>
Encyclopedia of Environmental Sciences: Management of Pollution Control .Vol.20 

 - New Delhi:  Akashdeep,  1992. 
 - vol.20, 486p.;  22cm 
<br/><br/><label>ISBN: </label>81-7158-279-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Behavior<br/>Human Ecology
<br/><br/><label>Dewey Class. No.: </label>304.203  / TRI