Mohd Razali, Fadhlina, Nor Azah Abdul Aziz, Siti Aishah Salim, Roznim Mohamad Rasli, and Nur Farah Zulkefly. 2017. “The Effects of Free Rotate Gestures in Multi-Touch Screen Design on childrens’ Achievement in Learning Shape for Pre-School Children”. Southeast Asia Early Childhood Journal 6 (October):19-26. https://doi.org/10.37134/saecj.vol6.3.2017.