TY - BOOK AU - Nellis,J.G. AU - Parker,David TI - The essence of business economics T2 - Essence of management series SN - 0132847612 (pbk) U1 - 338.5/024658 20 PY - 1992/// CY - New York, London PB - Prentice Hall KW - Managerial economics N1 - Includes bibliographical references and index ER -