VALDÉS, Manuel T. Primary and secondary effects of social origin in the transition to post-compulsory education in Spain. Revista Española de Investigaciones Sociológicas, [S. l.], n. 171, p. 125–144, 2024. DOI: 10.5477/cis/reis.171.125. Disponível em: https://reis.cis.es/index.php/reis/article/view/446. Acesso em: 7 nov. 2026.