Stewart, Valerie. Managing the poor performer / eng Valerie Stewart, Andrew Stewart. - Aldershot, Hants, England : Gower, 1982. - viii, 178 p. : ill. ; 22 cm. Includes index. ISBN: 0566022486 LCCN: Subjects--Topical Terms: Supervision of employees. Dewey Class. No.: 65.012.16:658.3 / STE