Mohamed, Rashin Hasan. “Impact of Visual Aids in Enhancing the Learning Process Case Study of Students and Teachers at Hamza Primary School in Sudan”. IJRDO- Journal of Educational Research 8, no. 7 (July 19, 2022): 1-6. Accessed December 28, 2024. http://cpcalendars.ijrdo.org/index.php/er/article/view/5126.