HA, Nguyen Thi Thu. Training students’ self-expression in English through portfolio assessment: A trial in English literature. VNU Journal of Foreign Studies, [S. l.], v. 26, n. 4, 2010. Disponível em: https://jfs.ulis.vnu.edu.vn/index.php/fs/article/view/2565. Acesso em: 23 nov. 2024.