Kushel, Gerald. Reaching the peak performance zone how to motivate yourself and others to excel / [Book :] Gerald Kushel. - New York : AMACOM, 1994. - x, 164 p. ; : ill ; 24 cm. Includes index. All Ages. ISBN: 0814402224 LCCN: 94021825 Subjects--Topical Terms: Employee motivation.Achievement motivation.Performance. LC Class. No.: HF5549.5.M63 / K87 1994 Dewey Class. No.: 658.3'14 National Library of Medicine Call No.: 658.3'14 / K R