Kusuma RD, Amir MF. Stages of Ability to Recognize Number Concepts Through Modified Apron Media for Children with Special Needs: Tahapan Kemampuan Mengenal Konsep Bilangan Melalui Media Apron Modifikasi Pada Anak Berkebutuhan Khusus. acopen [Internet]. 2022 Jun. 30 [cited 2025 Sep. 4];6:10.21070/acopen.6.2022.1676. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/1676