Drucker Peter F. Management challenges for the 21st century / Peter F. Drucker, Linda Hobeche - Amsterdam : Elsevier, c2007. - xix, 181 p. ; 24 cm. - The classic drucker collection . Includes index. eng. ISBN: 9780750685092 TZS 29,452.64 Subjects--Topical Terms: Management Dewey Class. No.: 658 DRU