KOONTZ, Harold. Weihrich, Heinz Essentials of management / [by] Harold Koontz, Heinz Weihrich - 5th ed. - New Delhi Tata McGraw-Hill 2003 - xxiii, 530 p. Includes index. ISBN: 74632272 Subjects--Topical Terms: Management Dewey Class. No.: 658 / KOO