Siregar, S. A., Nuraina, N., & Ningtiyas, F. A. (2026). The Effect of the Problem-Based Learning Model with a Metacognitive Approach on Students’ Mathematical Representation Ability. Jurnal Ilmiah Kanderang Tingang, 17(2), 323-339. https://doi.org/10.37304/jikt.v17i2.458