Barry Lee. <br/><br/>
Introducing systems analysis and design.   Volume 2 / 
Lee Barry. 
 - Oxford :  The National Computing Centre,  1979  
 - 556p. :  ill. ;  21cm. 
 - The National computing centre. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0850122074 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Systems Analysis