s management a contingency approch / Don Hellriegel, John W. Slocum Hellriegel, Don Slocum, John W. Industrial organization. Industrial management. HD31 .H488 658 HEM "Designed to be used with Modern business management: a systems and environmental approach [by H. G. Hicks and C. R. Gullett]" New York : McGraw-Hill, 1974. 1974. 1974 Text xiii, 310 p. : eng