MARAJO, Suci Nurjanna Sultan; SULISTYANINGSIH, Murni; SUMARAUW, Sylvia Jane Annatje. Effects of Direct Instruction Supported by Algebrator on Learning Outcomes in Linear Equation Systems. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 5, n. 4, p. 1711–1722, 2025. DOI: 10.51574/kognitif.v5i4.3391. Disponível em: https://etdci.org/journal/kognitif/article/view/3391. Acesso em: 9 jan. 2026.