Rahmat, Cut Morina Zubainur, and Marwan. “Students’ Mathematical Problem Solving Abilities Through Realistic Mathematics Educational Approach in Elementary Schools”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 54, no. 1 (September 5, 2020): 138–145. Accessed May 8, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/9766.