Hidayah, Miftahul, and Helen Forgasz. “A Comparison of Mathematical Tasks Types Used in Indonesian and Australian Textbooks Based on Geometry Contents”. Journal on Mathematics Education 11, no. 3 (September 1, 2020): 385–404. Accessed July 16, 2025. https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3743.