Walia, Ekta <br/><br/>
Operating system concepts 

 - 2nd ed. 
 - New Delhi  Khanna Book Publishing  2016 
 - 340p. 
<br/><br/> Te40619 
<br/><br/><label>ISBN: </label>9789380016658  350 
<br/><br/><label>Dewey Class. No.: </label>001.64 WAL E