Gul, Sumaira, Dr Muhammad Naeemullah, and Dr Sajid Rehman. “Measurement of Visual Discrimination Ability Among Government Elementary School Children Age 4-8”. International Research Journal of Education and Innovation 2, no. 2 (September 20, 2021): 54–65. Accessed September 8, 2024. https://irjei.com/index.php/irjei/article/view/26.