MARTIŠIUS, Vaclovas; BALKUTĖ, Živilė. Solution peculiarities of solving multiplication and division word problems. Psichologija, [S. l.], v. 19, p. 78–90, 1999. DOI: 10.15388/Psichol.1999.4442. Disponível em: https://www.journals.vu.lt/psichologija/article/view/4442.. Acesso em: 4 may. 2024.