Tower of Hanoi: normative data and evolutionary development of planning. European Journal of Education and Psychology, [S. l.], v. 5, n. 1, p. 79–91, 2012. DOI: 10.30552/ejep.v5i1.81. Disponível em: https://revistas.uautonoma.cl/index.php/ejep/article/view/892. Acesso em: 27 jun. 2026.