Yeni Heryani, Kartono Kartono, Kristina Wijayanti, and Nuriana Rachmani Dewi. “Problem Solving Analysis on Hots Problems in Terms of Early Mathematical Ability”. International Conference on Science, Education, and Technology 8, no. 1 (October 15, 2022): 933–943. Accessed April 24, 2024. https://proceeding.unnes.ac.id/ISET/article/view/1861.