Nazara, E., & Dewi, I. (2023). The Effect of Problem-Based Learning (PBL) Using Video-Based Learning (VBL) on Mathematics Students’ Problem-Solving Ability in SMK Negeri 14 Medan. Jurnal Cendekia : Jurnal Pendidikan Matematika, 8(1), 1-12. https://doi.org/10.31004/cendekia.v8i1.1961