Meningkatkan Kemampuan Pengurangan Dua Bilangan Maksimal 50 Melalui Media Papan Hitung bagi Peserta Didik Disabilitas Rungu (Action Resecarch Kelas VI di SLB N 1 Panti). Indo-MathEdu Intellectuals Journal, [S. l.], v. 6, n. 3, p. 3718–3727, 2025. DOI: 10.54373/imeij.v6i3.3212. Disponível em: https://www.indo-intellectual.id/index.php/imeij/article/view/3212. Acesso em: 25 jun. 2026.