OPTNER S.L. (ED.) <br/><br/>
SYSTEM ANALYSIS 

 -  ENGLAND : PENGUIN  1973 
 - 336 p. 
<br/><br/><label>ISBN: </label>014080921X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SYSTEM ANALYSIS : 
<br/><br/><label>Dewey Class. No.: </label>004.21  / S97