Gupta,Sunit <br/><br/>
Natural resource management(need for 21st century) 

 - New Delhi  Sarup & Sons  1998 
 - 442p.  23 cm. 
<br/><br/><label>ISBN: </label>8176250430 
<br/><br/><label>Dewey Class. No.: </label>333.7  / GUP