Wigander, K.. <br/><br/>
Structured Analysis and Design of Information Systems /  

 - 1st ed /  
 - New York :   McGraw-Hill Book Company ,   1978 
 - p277 :  
<br/><br/><label>ISBN: </label>0-07-Y66620-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System Design
<br/><br/><label>Dewey Class. No.: </label>Bv:4:g  / M6