TY - BOOK AU - Greenberg, Paul TI - CRM at the speed of light : : essential customer strategies for the 21st century SN - 00770590575 U1 - 658.812 PY - 2004/// CY - New Delhi PB - Tata McGraw -- Hill KW - Management. KW - Customer relations -- Management KW - Electronic commerce KW - Relaciones con los clientes -- Administración ER -