“RELIABILITY AND VALIDITY OF THE INSTRUMENT FOR MEASURING MALAYSIAN POLYTECHNIC ENGLISH LANGUAGE EDUCATORS’ PERCEPTION TOWARDS THE CEFR IMPLEMENTATION”, PR, vol. 6, pp. 85–100, Jul. 2023, Accessed: May 30, 2026. [Online]. Available: https://e-journal.uum.edu.my/index.php/pr/article/view/26070