Prasad, Om Prakash <br/><br/>
Prachin bharat ka samajik evam arthik itihas (1500 BC-550 AD) 

 - New Delhi  New Delhi, Raj Kamal Prakashan Raj Kamal Prakashan  2006 
<br/><br/><label>Dewey Class. No.: </label>954.003, P82P