Evan Asfoura, Mohammad Samir Abdel-Haq,. 2021. “Evaluating the Quality Of E-Courses from The Students Perception and E-Course Quality Evaluation Metrics (DAU- EQEM) at Dar Al Uloom University”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (6):1962-69. https://turcomat.org/index.php/turkbilmat/article/view/4800.