“Kesulitan Anak Berkebutuhan Khusus Tunagrahita dalam Belajar Mengenal Angka di SLB Bhakti Pertiwi Samarinda”, psnpm, vol. 3, pp. 34–41, Jul. 2023, Accessed: Aug. 12, 2026. Available: https://jurnal.fkip.unmul.ac.id/index.php/psnpm/article/view/2464