Khanna, K. K. <br/><br/>
Economics and commercial geography 

 - 5th ed 
 - New Delhi  Sultan Chand & Sons  1977 
 - xvi, Various  Hb 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>330.9