“PENGEMBANGAN HYPOTHETICAL LEARNING TRAJECTORY MATERI PENJUMLAHAN DAN PENGURANGAN ALJABAR KELAS VII DENGAN PENDEKATAN REALISTIC MATHEMATICS EDUCATION” (2026) Journal of Mathematics Education Research, 5(1), pp. 1–9. Available at: https://journalng.uwks.ac.id/jmer/article/view/901 (Accessed: 31 May 2026).