Rahmi, Fathur, Pinta Deniyanti Sampoerno, and Lukita Ambarwati. “Building Relational Understanding through Hypothetical Learning Trajectory of Probability”. International Journal of Elementary Education 5, no. 1 (May 20, 2021): 150–157. Accessed May 19, 2024. https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/34588.