Agustin, R.D. and Rochsun, R. 2026. Representation Obstacles in Semantic Processes for Geometric Problem Solving. Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram. 14, 2 (May 2026), 721–746. DOI:https://doi.org/10.33394/j-ps.v14i2.19751.