Aloufi, F., Khalil, I.A.-H., Abdelkader Elsayed, A.M., Wardat, Y. and AL-Otaibi, A. 2021. Virtual Mathematics Education during COVID-19: An Exploratory Study of Teaching Practices for Teachers in Simultaneous Virtual Classes. International Journal of Learning, Teaching and Educational Research. 20, 12 (Dec. 2021), 85–113.