GINTING, A. . The Analysis of Oral Variety in Medan City. Kairos English Language Teaching Journal, [S. l.], v. 5, n. 2, p. 110–116, 2021. DOI: 10.54367/kairos.v5i2.1462. Disponível em: https://ejournal.ust.ac.id/index.php/KAIROS/article/view/1462. Acesso em: 22 jul. 2024.