Cronin, Mary J. Unchained value : the new login of digital business by Mary J. Cronin - Boston: Harvard Business School Press 2000 - x, 213p., notes, ind. 24 cm x 16 cm ISBN: 0875849377 Subjects--Topical Terms: digital value systemelectronic commerceinformation Dewey Class. No.: 303.4833 / CRO