Verzello,Robert J. <br/><br/>
Data processing systems and concepts 

 - Auckland  McGraw Hill  1982 
 - xviii,540  23.5cm 
<br/><br/><label>ISBN: </label>0-07-067325-X 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>658.561