Lejk, Mark. <br/><br/>
An Introduction to systems analysis techniques / 
Mark Lejk and David Deeks. 
 - 2nd  ed. 
 - London :  Pearson,  2002. 
 - xvii, 294  p. 
<br/><br/><label>ISBN: </label>0201797135 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System analysis.