BALDWIN, J. T. To the editor, Annales Universitatis Paedagogicae Cracoviensis. Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia, [S. l.], v. 11, p. 179–180, 2019. Disponível em: https://didacticammath.uken.krakow.pl/article/view/6915. Acesso em: 21 nov. 2024.