Trivedi, Priya Ranja. <br/><br/>
Natural resource conservation / 
Priya Ranja Trivedi. 
 - [S.l.] :  APH Publishing Corporation,  2004. 
 - 220 p. 
<br/><br/><label>ISBN: </label>8176485314 (hardcover) 9788176485319 (hardcover)