TY - BOOK AU - Certo,Samuel C. TI - Supervision: concepts and skill building SN - 0072284048 AV - HF 5549.12 .C42 2000 U1 - 658.302 PY - 2000/// CY - Boston PB - Irwin McGraw-Hill KW - Supervision of employees KW - Local N1 - Includes bibliographical references and index ER -