Weaver, Philip L., <br/><br/>
Practical SSADM version 4 / 
Philip L. Weaver. 
 - London :  Pitman Pub.,  1993. 
 - xii, 403 pages :  illustration ;  25 cm. 
<br/><br/><label>ISBN: </label>0273600958  RM89.21 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing--Structured techniques