Kesulitan Anak Berkebutuhan Khusus Tunagrahita dalam Belajar Mengenal Angka di SLB Bhakti Pertiwi Samarinda. psnpm [Internet]. 2023 Jul. 30 [cited 2026 Aug. 12];3:34-41. Available from: https://jurnal.fkip.unmul.ac.id/index.php/psnpm/article/view/2464