Mahdi, E., Mirmehrabi, A., & Seadatee Shamir, A. (2022). 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. Iranian Journal of Neurodevelopmental Disorders, 1(3), 31-40. https://maherpub.com/jndd/article/view/10