Nursyahidah, F. et al. 2025. Hypothetical Learning Trajectory for Ninth Graders’ Understanding of Curved Three-Dimensional Shapes through Javanese Ethno-Realistic Mathematics Education. Plusminus: Jurnal Pendidikan Matematika. 5, 2 (Jul. 2025), 299–314. DOI:https://doi.org/10.31980/plusminus.v5i2.2906.