Tichá, Marie. “On the Role of Translations Between Modes of Representation - Case of Fractions”. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica 3 (May 27, 2003): 265–271. Accessed October 30, 2026. https://studmath.uken.krakow.pl/article/view/13499.