TY - BOOK AU - Certo,Samuel C. TI - Supervision : concepts and skill-building SN - 9780071286732 AV - HF 5549.12 C47S 2008 PY - 2008/// CY - Boston PB - McGraw-Hill/Irwin KW - SUPERVISION OF EMPLOYEES N1 - Includes bibliographical references and index; Part 1 : What is a supervisor?; Part 2 : Modern supervision challenges; Part 3 : Functions of the supervisor; Part 4 : Skills of the supervisor; Part 5 : Supervision and human resources ER -