Yusof, Yuhaida, and Mohamad Ibrahim. “Effectiveness of a Visual-Spatial Intelligence Teaching Courseware on the Achievement of Underachieving Students in Equivalent Fractions (53 - 63)”. EDUCATUM Journal of Science, Mathematics and Technology 1, no. 1 (June 13, 2014): 53–63. Accessed May 3, 2024. https://ojs.upsi.edu.my/index.php/EJSMT/article/view/13.