Antropova, L., Zalavina, T., Polyakova, L. e Yuzhakova, Y. (2020) Extralinguistic Conditions of Language Variability in National Languages, Amazonia Investiga, 9(25), p. 266-273. Disponível em: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/887 (Acessado: 18maio2024).