BORU, Mariana Sanita; AMBARWATI, Lukita; HIDAJAT, Flavia Aurelia. Preliminary Research: Development of Digital Student Worksheets Based on Indonesian Realistic Mathematics Education To Improve Deaf Students’ Understanding of Mathematical Concepts. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 9, n. 1, p. 285–304, 2024. DOI: 10.31943/mathline.v9i1.584. Disponível em: http://mathline.unwir.ac.id/index.php/Mathline/article/view/584. Acesso em: 7 feb. 2026.