F. S. Y. Mei, Saipolbarin Bin Ramli, and Nahla A. K. Alhirtani, “Application of Gagne’s Nine Approaches to Teach Arabic Language for Non-Native Speakers: Experimental study at Sultan Idris Education University Malaysia (UPSI)”, EJLS, vol. 1, no. 3, pp. 32–37, Dec. 2015.