Harrison, David. <br/><br/>
Data Processing: A First Course /  

 - 1st ed /  
 - New Delhi-2 :   Galgotia Publications Pvt. Ltd. ,   2003 
 - p147 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data Processing
<br/><br/><label>Dewey Class. No.: </label>Bv  / M5