Drucker, Peter F. Managing in turbulent times / by Peter F. Drucker. - New York : Harper & Row, c1980. - viii, 239 p. ; P.B. 22 cm. Includes index. ISBN: 9780750617031 495.00 LCCN: 79003389 Subjects--Topical Terms: MANAGMENTINDUSTRIAL MANAGEMENT Dewey Class. No.: R 658.4 DRU(MAN)