KOVÁCS, Edina. Amundsen and the Sudoku. Central European Journal of Educational Research, [S. l.], v. 5, n. 1, p. 104–106, 2023. DOI: 10.37441/cejer/2023/5/1/12316. Disponível em: https://ojs.lib.unideb.hu/CEJER/article/view/12316.. Acesso em: 12 may. 2024.