“RELIABILITY AND VALIDITY OF THE INSTRUMENT FOR MEASURING MALAYSIAN POLYTECHNIC ENGLISH LANGUAGE EDUCATORS’ PERCEPTION TOWARDS THE CEFR IMPLEMENTATION” (2023) Practitioner Research, 6, pp. 85–100. Available at: https://e-journal.uum.edu.my/index.php/pr/article/view/26070 (Accessed: 29 July 2026).