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: 1591840015 (alk. paper) LCCN: 2002031177 Subjects--Topical Terms: Industrial productivity--Measurement.Organizational effectiveness--Measurement.Performance--Measurement. LC Class. No.: HD56.25 / .J456 2002