PROTASSOVA, Ekaterina. Pluricentrity, Multilingualism and Heterogeneity of the Learners’ Groups. International Journal of Multilingual Education, [S. l.], n. 17, p. 25–46, 2021. Disponível em: https://multilingualeducation.openjournals.ge/index.php/ijml/article/view/6571. Acesso em: 9 may. 2025.