Cummings, Paul W. Open management : guides to successful practice / Paul W. Cummings. - New York : AMACOM, c1980. - 225 p. ; 24 cm. Includes index. ISBN: 0814455220 : $14.95 LCCN: 79054832 Subjects--Topical Terms: Management. LC Class. No.: HD31 / .C83 Dewey Class. No.: 658