Antropova L, Zalavina T, Polyakova L, Yuzhakova Y. Extralinguistic Conditions of Language Variability in National Languages. Amazonia Investiga [Internet]. 25janv.2020 [cité 18mai2024];9(25):266-73. Available from: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/887