TY - BOOK AU - Udell,Jon G. AU - Laczniak,Eugene R. TI - Marketing in an age of change: an introduction T2 - Wiley series in marketing SN - 0471081698 AV - HF5415HF5415 .U3.U3 U1 - 658.8 19 PY - 1981/// CY - New York PB - Wiley KW - Marketing KW - Management N1 - Includes bibliographies and index ER -