Harold Koontz 
Essentials of Management. Ed 5 
 - 5th Ed 
 - New York  McGraw Hill Publishing Company  1990 
 - 530p 
Harold Koontz & Heinz Weihrich: Essentials of Management. Ed 5.  (5th Ed)  New York.  McGraw Hill Publishing Company, 1990. 0-07-035605-X--(658KOO)   
ENGLISH 
0-07-035605-X 
658  / KOO