Patairiya, Manoj   <br/><br/>
Vignan Evar Praudyogiki Sanchar   

 - New Delhi  Prabhat Prakashan  2010 
 - 224p. 
<br/><br/><label>ISBN: </label>9788173158667 
<br/><br/><label>Dewey Class. No.: </label>507.2  / P10 (HINDI)