[1]
Hamda et al. 2025. Effectiveness of Problem-Based Learning with GeoGebra on Grade VII Students’ Learning Outcomes in Polyhedra at SMP Negeri 1 Mangarabombang . Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences. 4, 3 (Sep. 2025), 344–354. DOI:https://doi.org/10.53696/venn.v4i3.340.