ŻEROMSKA, A. Selected aims of teaching mathematics and the problem-solving process. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 3, p. 299–304, 2003. Disponível em: https://studmath.uken.krakow.pl/article/view/13504. Acesso em: 30 oct. 2026.