Singh Aum Prakash <br/><br/>
Sanchar madhyamon ka prabhav. 

 -  1993 
<br/><br/><label>Standard No.: </label>23529 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>4.2'N7, N3