Khoirul, Maghfiriyah, and Sukartono Sukartono. “Exploring the Role of Counting Box Media in Supporting Elementary Students’ Understanding of Addition Concepts”. Jurnal Pendidikan Matematika dan Sains 14, no. 2 (June 30, 2026): 542–551. Accessed July 3, 2026. https://journal.uny.ac.id/index.php/jpms/article/view/93727.