Drucker, Peter F. The effective executive / Peter Drucker. - New York : HarperCollins, 2006. - xxiii, 178 p. ; 20 cm. Prev. ed. : 2002. Includes index. ISBN: 9780060833459 : SR38.00 Subjects--Topical Terms: Management.Executive ability. Dewey Class. No.: 658.4 / D84 2006