CULLIGAN, B. A. Evaluating corpora with word lists and word difficulty. Vocabulary Learning and Instruction, [S. l.], v. 8, n. 1, p. 29–38, 2019. DOI: 10.7820/vli.v08.1.Culligan. Disponível em: https://www.castledown.com/journals/vli/article/view/vli.v08.1.Culligan. Acesso em: 6 oct. 2026.