[1]
Sudirman, S., Kusumah, Y.S., Martadiputra, B.A.P. and Runisah, R. 2023. Epistemological Obstacle in 3D Geometry Thinking: Representation, Spatial Structuring, and Measurement. Pegem Journal of Education and Instruction. 13, 4 (Jul. 2023), 292–301. DOI:https://doi.org/10.47750/pegegog.13.04.34.