KHANNA, K.K. <br/><br/>
World Resources and Trade  World Resources and Trade._18th Ed, Delhi : S.Chand & Co., 1979 
K.K. KHANNA 
 - 18th 
 - Delhi  S.Chand & Co.  1979 
<br/><br/><label>Dewey Class. No.: </label>330.91