ALMEIDA, M. C. The Algebra Textbook for the 3rd cycle of liceus (1950): reflections based on the critiques of its approval. Historia y Memoria de la Educación, [S. l.], n. 11, p. 191–214, 2019. DOI: 10.5944/hme.11.2020.24169. Disponível em: http://revistas.uned.es/index.php/HMe/article/view/24169. Acesso em: 27 jan. 2022.