Amir, Nur Fadhilah. “MENGHITUNG PERKALIAN DENGAN BENDA-BENDA TERDEKAT : (Calculating Multiplication With the Closest Objects)”. Uniqbu Journal of Exact Sciences 2, no. 1 (April 2, 2021): 20–30. Accessed January 12, 2026. https://ejournal-uniqbu.ac.id/index.php/ujes/article/view/107.