Dubey, R.N. <br/><br/>
Economic and commercial geography. 
by R.N.Dubey ; revised and enlarged by L.R.Singh. 
 - 15th ed. 
 - Allahabad.  Kitab Mahal.  1979 
 - iv,661p.;  22cm. 
<br/><br/> Lib. has 3rd. ed also. 
<br/><br/><label>Dewey Class. No.: </label>330.9  /   DUB