Pardede, A.P.K. et al. 2025. Enhancing Students’ Mathematics Learning Outcomes through Problem-Based Learning. Kognitif: Jurnal Riset HOTS Pendidikan Matematika. 5, 4 (Oct. 2025), 1433–1444. DOI:https://doi.org/10.51574/kognitif.v5i4.2975.