Section: Articles Title: What is a free customer worth? / Sunil Gupta, Carl F. MelaAuthor: Gupta, Sunil Related records: En: Harvard business review. - Boston : Impact Media Comercial S.A., 1988-. - 01/12/2008 Tomo 86 Número 11 - 2008Otros autores: Mela, Carl Other categories: 92 Rights: In Copyright (InC) Referencias externas: earth MÁS INFORMACIÓN See issue detail