Leonard, Edwin C. Supervision concepts and practices of management Edwin C. Leonard, Raymond L. Hilgert. - 9th ed. - Mason, OH Thomson/South-Western c2004. - xx, 604 p. ill. 26 cm. Includes bibliographical references and index. ISBN: 0324178816 LCCN: 2002116945 Subjects--Topical Terms: Supervision of employeesPersonnel management LC Class. No.: HF5549.12 / .H55 2004 Dewey Class. No.: 658.302 / L5811s9