Trivedi, P.R. <br/><br/>
Encyclopedia of Environment, Pollution, Planning and Conservation; Vol. 5 of 6: environmental education 
P R Trivedi 
 - New Delhi  APH Publishing Corporation  1998 
 - vii, 213p. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Pollution
<br/><br/><label>Dewey Class. No.: </label>363.73903 TRI