Che Ku Nuraini Che Ku Mohd, Faaizah Shahbodin, Muliati Sedek, Munirah Samsudin. “Game Based Learning for Autism in Learning Mathematics”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, May 2020, pp. 4684 -91, http://sersc.org/journals/index.php/IJAST/article/view/13849.