Using smartphones reservations for hotels in Barcelona for a business segment: Empirical analysis. Global Journal of Computer Sciences: Theory and Research, [S. l.], v. 5, n. 2, p. 60–67, 2015. DOI: 10.18844/gjcs.v5i2.179. Disponível em: https://un-pub.eu/ojs/index.php/gjcs/article/view/179. Acesso em: 9 may. 2024.