How to Use Optimal Input in the Teaching of Listening Comprehension. International Journal of Educational Development, [S. l.], v. 3, n. 2, p. 1–11, 2026. DOI: 10.63313/IJED.9065. Disponível em: https://academics.erytis.com/index.php/IJED/article/view/474. Acesso em: 1 jun. 2026.