E. Mahdi, A. Mirmehrabi, and A. Seadatee Shamir, “Evaluation of the Effectiveness of Virtual Mathematics Teaching Based on Manipulative Mathematical Learning in 5th Grade Elementary Male Students with Mathematical Learning Disabilities in the COVID-19 Pandemic”, JNDD, vol. 1, no. 3, pp. 31–40, Sep. 2022, Accessed: Oct. 17, 2024. [Online]. Available: https://maherpub.com/jndd/article/view/10