BADÍA-LÁZARO, R.; CLIMENT-LÓPEZ, E. A. From Linear to Zonal Management Contracts: A Proposal for the Public Inter-Urban Transportation of Travelers by Road in Aragón. Revista de Estudios Andaluces (Journal of Andalusian Studies), [S. l.], n. 38, p. 121–143, 2019. DOI: 10.12795/rea.2019.i38.07. Disponível em: https://revistascientificas.us.es/index.php/REA/article/view/8685. Acesso em: 6 apr. 2025.