Koontz, Harold. 1908- Essentials of management / Harold Koontz and Heinz Weihrich. - 5th ed. - New York : McGraw-Hill, c1990. - xxv, 530 p. : ill. ; 24 cm. - McGraw-Hill series in management . Includes bibliographical references and indexes. ISBN: 007035605X $25.95 LCCN: 89012444 Subjects--Topical Terms: Management. Dewey Class. No.: 658 / KOE 1990