Davis, William, S. <br/><br/>
Systems analysis and design: a structured approach 

 - Massachusetts: Addison-Wesley  1983 
 - xiv,415p.  23 cm. 
<br/><br/><label>ISBN: </label>0201102714 
<br/><br/><label>Dewey Class. No.: </label>001.61,  / dav