Leonard, Edwin C. Supervision concepts and practices of management Edwin C. Leonard, Raymond L. Hilgert. - 10. ed. - Mason, OH South-Western-Cengage Learning c2007. - xxx, 634 p. ill. 26 cm. - Concepts and practices of management . Includes bibliographical references and index. ISBN: 9780324316247 LCCN: 2006904578 Subjects--Topical Terms: Supervision of employeesPersonnel management LC Class. No.: HF5549.12 / .H55 2007 Dewey Class. No.: 658.302 / L5811s9