Siregar, A., Rahmayani, Z., Safira, N., Rahmah, A., Rahmaida, R., & Ritonga, H. P. (2023). Penjumlahan, Pengurangan, Pembagian, Perkalian Pada Operasi Bilangan Bulat. Innovative: Journal Of Social Science Research, 3(2), 6248–6259. Retrieved from https://j-innovative.org/index.php/Innovative/article/view/1092