Optner,Stanford <br/><br/>
System analysis 

 -  Penguin educationNew Delhi  1973 
 - 336 
<br/><br/> BBM 
<br/><br/><label>ISBN: </label>404 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System s Analysis & Design
<br/><br/><label>Dewey Class. No.: </label>4.21