GUPTA,O.P <br/><br/>
POPULAR MASTER GUIDE GATE, COMPUTER SCIENCE 

 - 1st Ed. 
 - NEW DELHI  RAMESH PUBLISHING HOUSE   2009 
<br/><br/><label>ISBN: </label>81-7812-117-4 
<br/><br/><label>Dewey Class. No.: </label>150.194 4  / GUP/P