Susilawati, Eneng, and Usmaedi Usmaedi. “MENINGKATKAN KEMAMPUAN OPERASI BILANGAN MELALUI PENGGUNAAN MEDIA MANIPULATIF”. JURNAL PENDIDIKAN DASAR SETIA BUDHI (JPDS) 2, no. 1 (April 12, 2019): 1-8. Accessed February 15, 2026. https://jurnal.usbr.ac.id/jpds/article/view/8.