[1]
M. Ahmad, Y. P. Siregar, N. A. Siregar, and H. Effendi, “Realistic Math-Based Learning Model Based on Mandailing Culture”, IJSBAR, vol. 39, no. 1, pp. 67–78, May 2018, Accessed: Oct. 01, 2025. [Online]. Available: https://gssrr.org/JournalOfBasicAndApplied/article/view/8501