MAP20120002999 Casadesus-Masanell, Ramon When one business model isn't enough / Ramon Casadesus-Masanell, Jorge Tarziján En: Harvard business review. - Boston : Impact Media Comercial S.A., 1988-. - 24/01/2012 Tomo 90 Número 1-2 - 2012 I. Tarziján, Jorge . II. Title.
