Dona Fitriawan, Nurfadilah Siregar, and Endar Sulistyowati. “Learning Design for Combinatorics With Realistic Mathematics Education (RME) Approach”. Hipotenusa: Journal of Mathematical Society 5, no. 2 (December 17, 2023): 109–120. Accessed May 20, 2024. https://ejournal.uinsalatiga.ac.id/index.php/hipotenusa/article/view/290.