Elaine, Mullins <br/><br/>
Information processing :  student's book 

 - 3rd ed. 
 - London :  Pitman,  1992. 
 - vii,214p. :  ill.; 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0273038184 
<br/><br/><label>LC Class. No.: </label>HF5548.115  / .M91 1992