AHMAD, Kamarul Ariffin; IDRIS, Izazol. A CEFR-Informed English Test: How Content Validity Index and Content Validity Ratio are used for Content Validation. EDUCATUM Journal of Social Sciences, [S. l.], v. 11, n. 1, p. 68–76, 2025. DOI: 10.37134/ejoss.vol11.1.7.2025. Disponível em: https://ejournal.upsi.edu.my/index.php/EJOSS/article/view/9966. Acesso em: 13 may. 2025.