Langdon, Ken Appraising staff/ Ken Langdon & Christina Osborne - 1st ed. - london: Dorling kindersley Ltd, 2001. - 72p.: ill., photographs (col.); 18 cm Includes index ISBN: 0751320846 Subjects--Topical Terms: Employees--Rating of. Performance standards. LC Class. No.: HD31.M36 / .L36 2001