RELIABILITY AND VALIDITY OF THE INSTRUMENT FOR MEASURING MALAYSIAN POLYTECHNIC ENGLISH LANGUAGE EDUCATORS’ PERCEPTION TOWARDS THE CEFR IMPLEMENTATION. Practitioner Research, [S. l.], v. 6, p. 85–100, 2023. Disponível em: https://educationmalaysia.co.uk/index.php/pr/article/view/26070. Acesso em: 29 nov. 2025.