PRIYANTI, N. Test usefulness of IELTS writing test tasks. Apples - Journal of Applied Language Studies, [S. l.], v. 11, n. 4, p. 1–9, 2017. DOI: 10.17011/apples/urn.201708073427. Disponível em: https://apples.journal.fi/article/view/97924. Acesso em: 3 may. 2024.