Jennings, Jason. Less is more : how great companies use productivity as a competitive tool in business / Jason Jennings. - New York, N.Y. : Portfolio, 2002. - xx, 249 p. ; 24 cm. Includes index. ISBN: 9781591840015 LCCN: 2002031177 Subjects--Topical Terms: Industrial productivity--Measurement.Organizational effectiveness--Measurement.Performance--Measurement. Dewey Class. No.: 658.515