Chin, K. E., and S. H. Fu. “EXPLORING THE IMPLEMENTATION OF AN INTERVENTION FOR A PUPIL WITH MATHEMATICAL LEARNING DIFFICULTIES: A CASE STUDY”. Journal on Mathematics Education, vol. 12, no. 3, Sept. 2021, pp. 531-46, http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3650.