Ralph, Stairs. <br/><br/>
Information systems: by 
Ralph, Stairs 
 - USA,  Cengage,  2010 
 - 620p 
<br/><br/><label>ISBN: </label>978-0-538-47425-2 
<br/><br/><label>Subjects--Topical Terms: </label>--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>TK 510  / .73 2010