Greenberg, Paul CRM at the speed of light: capturing and keeping customers in internet real time/ Paul Greenberg - New Delhi: Tata McGraw-Hill Education, 2001 - xxiii, 360 p.; 24 cm. Includes index ISBN: 0070439508 Subjects--Topical Terms: Customer servicesSales managementMarketing--Date processingCustomer relations Dewey Class. No.: 658.812