SUDIRMAN, S.; KUSUMAH, Y. S.; MARTADIPUTRA, B. A. P.; RUNISAH, R. Epistemological Obstacle in 3D Geometry Thinking: Representation, Spatial Structuring, and Measurement. Pegem Journal of Education and Instruction, [S. l.], v. 13, n. 4, p. 292–301, 2023. DOI: 10.47750/pegegog.13.04.34. Disponível em: https://pegegog.net/index.php/pegegog/article/view/1828. Acesso em: 3 aug. 2025.