NOVIKIENĖ, Regina; ČIUČIULKIENĖ, Nijolė. Problems in realizing study models on mathematics. Lietuvos matematikos rinkinys, [S. l.], v. 46, n. spec., p. 172–177, 2023. DOI: 10.15388/LMR.2006.30614. Disponível em: https://www.journals.vu.lt/LMR/article/view/30614.. Acesso em: 9 may. 2024.