1.
Nazara E, Dewi I. The Effect of Problem-Based Learning (PBL) Using Video-Based Learning (VBL) on Mathematics Students’ Problem-Solving Ability in SMK Negeri 14 Medan. cendekia [Internet]. 9Dec.2023 [cited 20May2026];8(1):1-2. Available from: https://j-cup.org/index.php/cendekia/article/view/1961