Essentials of Management. Ed 5 - Harold Koontz; Heinz Weihrich (New York Mc Graw Hill Publishing Company, 1990)
Harold Koontz & Heinz Weihrich: Essentials of Management. Ed 5. (5th Edition) New York. Mc Graw Hill Publishing Company, 1990. 0-07-035605-X--(658KOO)
ENGLISH