Gupta, Raj Kumar <br/><br/>
Planning natural resources:   A handbook of aerospace techniques...ecology  

 - New Delhi:   Navayug Traders Booksellers & Publishers,   1971 
 - 269p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources
<br/><br/><label>Subjects--Index Terms: </label>Planning 
<br/><br/><label>Universal Decimal Class. No.: </label>620.91:778.35  / L1