GUIJARRO, Victor. Scientific and construction toys in education and industry: values and interactions in Spain (1920-1936). Historia y Memoria de la Educación, [S. l.], n. 14, p. 511–546, 2021. DOI: 10.5944/hme.14.2021.27412. Disponível em: https://revistas.uned.es/index.php/HMe/article/view/27412. Acesso em: 27 jan. 2026.