Md Nawawi, N.; Zuhaimi, N.; Sabu, K.; Mahamud, N. S. R.; Moh Nasir, N. A. CEFR for Languages and Its Effective Implementation in Secondary Schools in Malaysia. AJATeL 2021, 11 (1), 63-72. https://doi.org/10.37134/ajatel.vol11.1.6.2021.