Sierra, G. (2026). Models of cross-border governance between the regions of New Aquitaine, the Basque Country and Navarre: The cases of the NAEN Euroregion and the Western Functional Area — AFOMEF. Oñati Socio-Legal Series, 16(3), 1324–1351. https://doi.org/10.35295/osls.iisl.2621