Deborah Morley <br/><br/>
Understanding computers in a changing society 

 - 3rd ed. 
 -  Cengage learning  2009 
 - 359 p 
<br/><br/><label>ISBN: </label>978- 0- 324- 59605- 2 
<br/><br/><label>LC Class. No.: </label>QA 76.5 .M644/