Biswas, Supriya. Relationship marketing : concepts, theories and cases/ Supriya Biswas. - New Delhi : PHI Learning, c2011 - xvii, 406p. ; 24 cm. Appendix : p.383-403 Includes index ISBN: 9788120339835 (pbk) Rs.375.00 Subjects--Topical Terms: Relationship marketing Dewey Class. No.: 658.812