LI, X.; XU, J. Let’s Go Eco: A Positive Discourse Analysis of English Reading Materials in High School Textbooks Based on the Attitude System. Linguistic Exploration, [S. l.], v. 1, n. 1, p. 36–50, 2025. DOI: 10.55121/le.v1i1.211. Disponível em: https://ojs.bilpub.com/index.php/le/article/view/211. Acesso em: 2 may. 2025.