Ryan High - performance interactive marketing : new techniques and technologies for winning and keeping customers / Christopher Ryan, foreword by Denny Hatch. - New Delhi Viva Books Private Limited 2002. - xviii, 294p. 23cm Includes index p.293 - 294 ISBN: 8176492493 Subjects--Topical Terms: Interactive marketingTechnological innovations Dewey Class. No.: 658.84 RYA 2002