Buttle, Francis. Customer relationship management : concepts and technologies / Francis Buttle - 2nd ed. - London : Butterworth-Heinemann, 2009 - xix, 500 p. : ill. ; 25 cm. Includes index. ISBN: 9781856175227 : 2,300 baht Subjects--Topical Terms: Customer relations--Management Dewey Class. No.: 658.812 / B988C 2009