Szitányi, Judit, Fanni Biró, and Csaba Csíkos. “Word Problems in Different Textbooks at the Early Stage of Teaching Mathematics Comparative Analysis”. Teaching Mathematics and Computer Science 18, no. 1 (October 12, 2020): 31–49. Accessed April 28, 2024. https://ojs.lib.unideb.hu/tmcs/article/view/10962.