Nagpal, D. P. <br/><br/>
GATE computer science and information technology 

 - New Delhi  S. Chand & Company Pvt. Ltd  2015 
 - 790 p 
<br/><br/><label>ISBN: </label>9788121932110 
<br/><br/><label>LC Class. No.: </label>TA 159 .N34/