PLESSIS, E.; SAAYMAN, M. What makes scuba diving operations successful: The case of Portofino, Italy. European Journal of Tourism Research, [S. l.], v. 17, p. 164–176, 2017. DOI: 10.54055/ejtr.v17i.300. Disponível em: https://ejtr.vumk.eu/index.php/about/article/view/300. Acesso em: 12 nov. 2026.