LEWIS, M. Halliday’s Introduction to Functional Grammar (4th Edition). rEFLections, [S. l.], v. 17, p. 70–72, 2014. DOI: 10.61508/refl.v17i0.114206. Disponível em: https://so05.tci-thaijo.org/index.php/reflections/article/view/114206. Acesso em: 20 apr. 2024.