Amarin, Nidal, and Amna Al-Saleh Al-Saleh. “The Effect of Color Use in Designing Instructional Aids on learners’ Academic Performance ”. Journal of e-Learning and Knowledge Society 16, no. 2 (May 21, 2020): 42-50. Accessed December 5, 2024. https://je-lks.org/ojs/index.php/Je-LKS_EN/article/view/1135246.