Sari, N. et al. 2026. Integrating Contextual Learning, STEAM, and Virtual Reality in Geometry: An Investigation of Implementation and Challenges in South Sumatera. Edumatica : Jurnal Pendidikan Matematika. 16, 1 (May 2026), 161–172. DOI:https://doi.org/10.22437/edumatica.v16i1.49071.