Management challenges for the 21st century.
Drucker,F.Peter.
Management challenges for the 21st century. - ed. - new york : Harper business, 1999. - 207 p. ; cm.
index.
9780887309984 : $
management forecasting.
Management challenges for the 21st century. - ed. - new york : Harper business, 1999. - 207 p. ; cm.
index.
9780887309984 : $
management forecasting.