Al_Khafaji, Wasf, and Azhar Falah Muhammad. “Effect of Mental Arithmetic Strategy on Developing the Logical_ Mathematical Intelligence of Fourth _ Grade Girl Students”. College of Basic Education Research Journal 19, no. 2 (June 1, 2023): 343–360. Accessed October 26, 2025. https://moss.uomosul.edu.iq/index.php/berj/article/view/39366.