Armstrong, Michael. Performance management : the new realities / Michael Armstrong and Angela Baron. - London : Chartered Institute Of Personnel and Development, 1998. - xiii, 466 p. : ill. ; 25 cm. - Developing practice. . Includes index and references : p. 446-457. ISBN: 0852927274 RM110.14 Subjects--Topical Terms: Performance technology.Employees--Rating of.Performance.Personnel management.