BERNAR MAINAR, Rafael. A review of the legal work of Joaquin Costa in the dawn of the 21st century: the trace of costumary Law in the Aragon Regional Law code. Revista de derecho aragonés, [S. l.], n. 26-27 (2020-2021), p. 13–48, 2021. DOI: 10.26754/ojs_deara/deara.12882. Disponível em: https://papiro.unizar.es/ojs/index.php/deara/article/view/12882. Acesso em: 5 feb. 2026.