Siahaan, M.M.L., Salsinha, C.N. and Fitriani, F. (2026) “Learning Trajectory: Learning Design Based on Rigorous Mathematical Thinking to Enhance Students’ Mathematical Conceptual”, Edumatica : Jurnal Pendidikan Matematika, 16(2), pp. 339–359. doi:10.22437/edumatica.v16i2.49776.