Singh, Rajendra <br/><br/>
Vishva ki prachin sabhyatayen evam sansthaayen. 

 - Jaipur :  Pointer Publishers,        2007. 
 - 266p 
<br/><br/><label>ISBN: </label>8171323405 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y:1.1'F  P7