Lumsden, George J. Impact management personal power strategies for success George J. Lumsden. - New York AMACOM c1979. - viii, 150 p. 22 cm. Includes index. ISBN: 0814455190 12.95 LCCN: 79011632 Subjects--Topical Terms: Executive abilityManagement LC Class. No.: HF5500.2 / .L85 Dewey Class. No.: 658.4