Refining and Validating Paul Nation’sVocabulary Size Test for TOEFL Candidates inPakistan: An Item Discrimination and Predictive Validity Studyvocabulary size test. Linguistic Forum – A Journal of Linguistics, [S. l.], v. 7, n. 2, p. 1–30, 2025. Disponível em: https://linguisticforum.com/index.php/ling/article/view/281. Acesso em: 30 may. 2026.