Sari, Novita, et al. “Integrating Contextual Learning, STEAM, and Virtual Reality in Geometry: An Investigation of Implementation and Challenges in South Sumatera”. Edumatica : Jurnal Pendidikan Matematika, vol. 16, no. 1, May 2026, pp. 161-72, doi:10.22437/edumatica.v16i1.49071.