BAUMEISTER, S.; ONKILA, T. Exploring the potential of an air transport eco-label. European Journal of Tourism Research, [S. l.], v. 18, p. 57–74, 2018. DOI: 10.54055/ejtr.v18i.313. Disponível em: https://ejtr.vumk.eu/index.php/about/article/view/313. Acesso em: 17 feb. 2025.