Ridao Martín, Joan, and Alfons García Martínez. 2013. “The Precarious Viability of Certain Toll Highway Concessions in Spain. Structural Lessons for the Model of Public-Private Collaboration and a Proposal of Conjunctural Solution”. Revista Andaluza De Administración Pública, no. 87 (December):95-135. https://doi.org/10.46735/raap.n87.1045.