Crocker Olga L. Quality circles : a guide to participation and productivity / Olga L. Crocker, Johnny Sik Leung Chiu, Cyril Charney - Toronto : Methuen, c1984. - xviii, 294 p. : ill. ; 23 cm. Includes references and index. eng. ISBN: 9780458980604 TZS 54,950.57 Subjects--Topical Terms: Industrial management--CanadaQuality circles Dewey Class. No.: 658.3 CRO