The Opposition of Language and Speech: A Structural and Paradigmatic Analysis. American Journal of Language, Literacy and Learning in STEM Education (2993-2769), [S. l.], v. 3, n. 6, p. 114–116, 2025. Disponível em: https://grnjournal.us/index.php/STEM/article/view/7874. Acesso em: 15 jan. 2026.