Kotler, Philip. Marketing Management : Analysis, Planning, Implementation, and Control / by Philip Kotler. - 9th ed. / - New Delhi : Prentice-Hall of India Private Limited , 1997 - Xl, 789, I-35p : ISBN: 0-13-243510-1 Subjects--Topical Terms: Marketing Dewey Class. No.: Q:51 / N7;1