Koontz, Harold. 1908- Essentials of management / Harold Koontz and Heinz Weihrich. - 9th ed. - New Delhi : McGraw-Hill, 2012. - xxxiii, 500 p. : ill. ; 24 cm. - McGraw-Hill series in management . Includes bibliographical references and indexes. ISBN: 1259005127 $25.95 9781259005121 Subjects--Topical Terms: Management. LC Class. No.: HD31 / .K62 1990 Dewey Class. No.: 658 / KOE 2012