TY - BOOK AU - Zemke,Ron AU - Connellan,Thomas K. TI - E-service: 24 ways to keep your customers when the competition is just a click away SN - 0814406068 U1 - 658.812 PY - 2001/// CY - New York PB - AMACOM, American Management Association KW - Mercadeo por internet N1 - Incluye bibliografía ER -