ZAKARIA, A.; RENANDYA, W. A.; ARYADOUST, V. A Corpus Study of Language Simplification and Grammar in Graded Readers. LEARN Journal: Language Education and Acquisition Research Network, [S. l.], v. 16, n. 2, p. 130–153, 2023. Disponível em: https://so04.tci-thaijo.org/index.php/LEARN/article/view/266938. Acesso em: 1 oct. 2026.