Leonard, Edwin C. Jr Supervision: Concepts and practices of management / Edwin C. Jr Leonard. - 10th - Australia : Thomson SouthWestern, 2007. - xxx , 634p.: col. ill. 26 cm. Includes index English ISBN: 0-324-136193-9 Subjects--Topical Terms: Supervision of employeesPersonnel managementSupervision LC Class. No.: 658.302 L55s