O'Leary, Timothy J.  (1947- ). <br/><br/>
Computing essentials making IT work for you / 
Timothy J O'Leary, Linda I O'Leary, Daniel A. O'Leary. 
 - New York :  McGraw-Hill Education,  2015. 
 - XXII, 408 s. :  il. ;  28 cm. 
 - The O'Leary Series .
 - The O'Leary Series .
<br/><br/>Indeks. 
<br/><br/><label>ISBN: </label>9781259251610 1259251616 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Komputery.<br/>Informatyka.
<br/><br/><label>Universal Decimal Class. No.: </label>004