CRUZ, José Ignacio. The secondary educations lengthening in the Spanish rural areas. The so-called colegios libres adoptados (1960-1980). Revista Española de Pedagogía, [S. l.], v. 71, n. 255, 2025. DOI: 10.22550/2174-0909.3374. Disponível em: https://revistas.unir.net/index.php/rep/article/view/1740. Acesso em: 18 dic. 2025.