TY - GEN AU - Cowper, David AU - Cowper, Donald AU - Haynes, Andrew TI - Mega-selling: secrets of a master salesman SN - 047164529X U1 - 658.85 PY - 2000/// CY - Toronto PB - John Wiley KW - MANAGEMENT KW - MARKETING KW - MARKETING MANAGEMENT KW - SELLING ER -