ابراهيم, ., عفيفي, ., Abdelkareem, R. (2021). Integrating student engagement with the DeLone & McLean model to assess the effectiveness of Online Learning System during COVID-19 pandemic. test, 2(العدد الأول - الجزء الأول), 384-424. doi: 10.21608/cfdj.2020.129339
ريهام شوقي ابراهيم; وليد عفيفي; Reda Abdelkareem. "Integrating student engagement with the DeLone & McLean model to assess the effectiveness of Online Learning System during COVID-19 pandemic". test, 2, العدد الأول - الجزء الأول, 2021, 384-424. doi: 10.21608/cfdj.2020.129339
ابراهيم, ., عفيفي, ., Abdelkareem, R. (2021). 'Integrating student engagement with the DeLone & McLean model to assess the effectiveness of Online Learning System during COVID-19 pandemic', test, 2(العدد الأول - الجزء الأول), pp. 384-424. doi: 10.21608/cfdj.2020.129339
ابراهيم, ., عفيفي, ., Abdelkareem, R. Integrating student engagement with the DeLone & McLean model to assess the effectiveness of Online Learning System during COVID-19 pandemic. test, 2021; 2(العدد الأول - الجزء الأول): 384-424. doi: 10.21608/cfdj.2020.129339