Ahmed Abou-Eid, Naglaa Fathy Sayed. “The Effect of a Basic Skills Program on Quantitative Reasoning and Mathematical Performance of Preschool Children”. International Journal of Instruction 18, no. 4 (October 1, 2025): 353–366. Accessed October 3, 2025. https://e-iji.net/ats/index.php/pub/article/view/823.