A study of the dimensionality of assessment scales for oral proficiency for the Certificate of Proficiency in Portuguese as a Foreign Language. Educação e Pesquisa, [S. l.], v. 45, p. e202512, 2019. DOI: 10.1590/s1678-4634201945202512. Disponível em: https://www.journals.usp.br/ep/article/view/162679.. Acesso em: 13 jun. 2024.