Digital world 4 

 - Special edition for Pakistan 
 - Karachi;  Paramount books:  2018. 
 - 120 Pages:  Illustrated;  28 Cm. 
<br/><br/><label>ISBN: </label>9789606984051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer - Textbook
<br/><br/><label>Dewey Class. No.: </label>T 001.642