Nabila, V.L., Agnesa, O.S. and Sudrimo, S.N. 2026. Project-Based Learning Based on Papuan Local Wisdom: Its Impact on Collaboration Ability and Understanding of the Concept of Two-Dimensional Shapes. Journal of General Education and Humanities. 5, 1 (Feb. 2026), 1053–1666. DOI:https://doi.org/10.58421/gehu.v5i1.1167.