NASIR, R.; SIAHAAN, U. M. J.; PRAFIANTI, R. A. Analysis of Mathematical Instruction Barriers in Terms of Developing Students’ Mathematical Reasoning. Vygotsky: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 5, n. 1, p. 65–76, 2023. DOI: 10.30736/voj.v5i1.723. Disponível em: http://jurnalpendidikan.unisla.ac.id/index.php/VoJ/article/view/723. Acesso em: 20 may. 2024.