Transforming EnterpriseWilliam H. Dutton, Brian Kahin, Ramon O'Callaghan, Andrew W. Wyckoff · First published 2004Open the Tome
Tortosa ciudad fidelíssima y exemplarVicent de Miravall, Ramon Miravall, Ramón O'Callaghan · First published 1997Open the Tome
Adoption and diffusion of electronic marketing channelsRamon O'Callaghan D., Harvard University. Graduate School of Business Administration · First published 1989Open the Tome
