GHULAM ABDULLAH, Abdullah. Concavity in language: advantages and disadvantages. El Omda in Linguistics and Discourse Analysis, [S. l.], v. 4, n. 4, p. 8–17, 2020. Disponível em: https://journals.univ-msila.dz/index.php/OLDA/article/view/3662. Acesso em: 16 apr. 2026.