Heyel, Carl, 1908-2000. Management for modern supervisors / Carl Heyel - [New York] American Management Association [1962] - 255 p. illus. 24 cm. Includes bibliography. LCCN: 62019791 Subjects--Topical Terms: Supervisors.Industrial management. LC Class. No.: HF5500 / .H49 Dewey Class. No.: 658.302 / HEM 1962