PAWLIK, B. On the understanding of geometric transformations by mathematics freshmen. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 3, p. 155–164, 2003. Disponível em: https://studmath.uken.krakow.pl/article/view/13483. Acesso em: 30 oct. 2026.