Drucker, Peter F. Management : tasks, responsibilities, practices / Peter Drucker. - New York : Harper Business, 1993. - xii, 839 p. ; 21 cm. Includes bibl. references and index. ISBN: 0887306152 : SR103.00 Subjects--Topical Terms: ManagementExecutive ability Dewey Class. No.: 658.4 / D84 1993