Sumaji, Sumaji, Akbar Sutowijaya, Subanji Subanji, and Tjang Daniel Chandra. “Establishing Health Mentals on the Use of Number Sense on Operations With Integers”. Open Access Macedonian Journal of Medical Sciences 10, no. B (January 2, 2022): 52–56. Accessed April 29, 2024. https://oamjms.eu/index.php/mjms/article/view/7499.