Siregar, S. A., Nuraina, N. and 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), pp. 323-339. doi: 10.37304/jikt.v17i2.458.