IMPLEMENTATION OF BLENDED LEARNING ASSISTED BY LEARNING VIDEOS TO IMPROVE MATHEMATICS LEARNING OUTCOMES OF CLASS VII.5 SMP WIDIATMIKA. jpkm [Internet]. 2021 Jul. 19 [cited 2026 Aug. 13];13(2):111-20. Available from: https://jurnal.unikastpaulus.ac.id/index.php/jpkm/article/view/807