Sadhasivam, Segar, Moses Veda P Michael, Maslawati Mohamad, and Melor Md Yunus. “The Importance of Innovative Teaching and Learning Approaches in the Implementation of CEFR: A Literature Review”. International Journal of Academic Research in Progressive Education and Development 12, no. 2 (June 23, 2023). Accessed September 16, 2025. https://ijarped.com/index.php/journal/article/view/1288.