Faidah, Nurotul, and Eva Nur Dianah. “Improving Understanding Of Odd And Even Numbers Through Counting With Used Bottle Caps”. Journal of Social Science and Economics 3, no. 2 (April 14, 2025): 60–70. Accessed January 25, 2026. https://jurnal.istaz.ac.id/index.php/josse/article/view/1770.