Iansiti, Marco Keystone advantage : what the new dynamics of business ecosystems mean for strategy, innovation, and sustainability Marco Iansiti and Roy Levien - - USA Harvard Business School Press 2004 - 255 ISBN: 9781591393078 Subjects--Topical Terms: ᅠᅠOrganizational effectivenessᅠᅠBusiness enterprises --Technological innovationsᅠStrategic planningᅠ Dewey Class. No.: 658.4 IAN-M