Singh , Om Prakash <br/><br/>
Bharat ka arthik   Itihas 

 - Delhi  S. Chand and Co. Pvt. Ltd.  1986 
 - 158p. 
<br/><br/><label>ISBN: </label>81-219-1121-4 
<br/><br/><label>Dewey Class. No.: </label>954.025 H      sin.N6