AYUMNI, Febi; ULYA, Himmatul; SUMAJI, Sumaji. A Comparison of Student’s Mathematical Problem-Solving Ability between Realistic Mathematics Education Assisted by GeoSpace and Direct Instruction. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 5, n. 4, 2025. DOI: 10.51574/kognitif.v5i4.3340. Disponível em: https://etdci.org/journal/kognitif/article/view/3340. Acesso em: 9 jan. 2026.