Cartularies and Understanding Projects: An Educational Innovation Proposal for Learning about the Evolution of Feudalism in Compulsory Secondary Education. Educación y Futuro: Revista de Investigación Aplicada y Experiencias Educativas, [S. l.], n. 51, p. 133–161, 2025. Disponível em: https://educacionyfuturo.com/educacionyfuturo/article/view/7650. Acesso em: 21 may. 2026.