Lejk,  Mark <br/><br/>
An Introduction to Systems Analysis Techniques 

 -  Prentice Hall  c1998 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0138577641 
<br/><br/><label>Dewey Class. No.: </label>004.21 L53