GARBAČIAUSKIENĖ, M. On the stages of distinction of similar grammatical concepts. Psichologija, [S. l.], v. 2, p. 19–33, 1962. DOI: 10.15388/Psichol.1962.2.8848. Disponível em: https://www.journals.vu.lt/psichologija/article/view/8848.. Acesso em: 4 may. 2024.