VORONTSOVA, Irina. Ecological Properties of Speech in the Communicative Field of Russian As a Foreign Language: New Extension. KnE Social Sciences, [S. l.], v. 4, n. 2, p. 99–112, 2020. DOI: 10.18502/kss.v4i2.6316. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/6316. Acesso em: 11 jul. 2025.