Mohamed Sayed Abdellatif, and Mervat Zaki Abdul-Gawad. “Psychological Barriers Predicting the Cognitive Load for Blackboard E-Learning Management System Users from University Students”. Elementary Education Online 19, no. 4 (December 21, 2023): 282–293. Accessed June 3, 2024. https://ilkogretim-online.org/index.php/pub/article/view/4183.