Shareefa, Mariyam, Visal Moosa, Rohani Mat Zin, Nor Zaiham Midawati Abdullah, and Rosmawijah Jawawi. 2019. “Teachers’ Perceptions on Differentiated Instruction: Do Experience, Qualification and Challenges Matter?”. International Journal of Learning, Teaching and Educational Research 18 (8):214-26. http://www.ijlter.myres.net/index.php/ijlter/article/view/530.