DEL ROSAL PEDRAJAS, Aránzazu; GUTIÉRREZ ARENAS, Mª Pilar; MAZ-MACHADO, Alexander. Math Problem solving errors regarding Change and Combine situations in K-7 Primary Students. Mathematics, education and society, [S. l.], v. 1, n. 1, p. 22–31, 2018. Disponível em: https://journals.uco.es/mes/article/view/12829. Acesso em: 12 nov. 2026.