SETYORINI, Y.; HW, S. Analysis of Difficulties in Solving the Story Problem of a System of Two-Variable Linear Equations Based on Newman’s Theory. Vygotsky: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 5, n. 2, p. 101–112, 2023. DOI: 10.30736/voj.v5i2.746. Disponível em: https://jurnalpendidikan.unisla.ac.id/index.php/VoJ/article/view/746. Acesso em: 22 jul. 2024.