Wilson, B. <br/><br/>
Soft systems methodology :  conceptual model building and its contribution / 
Brian Wilson 
 - Chichester :  Wiley,  2001 
 - xvii, 260 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [257]) and index 
<br/><br/><label>ISBN: </label>0471894893  RM160.60 
<br/><br/><label>LCCN: </label>2002-275427 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System theory<br/>Problem solving<br/>Linguistic models<br/>System analysis