Atiya, M. “Evaluation of Al-Quds Open University for E-Learning in Light of the Corona Virus (Covid-19) Pandemic from the Point of View of Postgraduate Students Who Underwent the Experiment”. International Journal of Research in Educational Sciences., Vol. 6, no. 02, Mar. 2023, pp. 283 -08, https://iafh.net/index.php/IJRES/article/view/402.