Drucker, Peter F. 1909-2005. Management challenges for the 21st century / Management challenges for the twenty-first century Peter F. Drucker. - 1st ed. - New York : HarperBusiness, 2001 - xi, 207 p. ; 24 cm. Includes index. ISBN: 0887309992 (pbk.) 9780887309991 (pbk.) Subjects--Topical Terms: Management--Forecasting.Twenty-first century--Forecasts. Dewey Class. No.: 658 / DRU