Practice book for psus computer science and it 

 - New Delhi  Made Easy Publications  2016 
 - 671p. 
<br/><br/><label>ISBN: </label>9789381069325 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTER
<br/><br/><label>Dewey Class. No.: </label>621.381