Trivedi, P. R., <br/><br/>
Natural resources conservation / 
P. R. Trivedi 
 - New Delhi :  APH Publishing Corporation,  2004 
 - 213 p. :  ill. ;  23 cm. 
<br/><br/>Indexes : p. 212-213 
<br/><br/><label>ISBN: </label>8176485314  RM44.35 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources<br/>Natural resources<br/>Environmental management