Al-Ghamdi, Ahmed bin Mastour bin Saleh, and Akram Fathi Mustafa Ali. 2018. “The Impact of Developing a System of Personal Learning Environments in Developing the Skills of Employing Some Web 2.0 Applications in the Teaching of Computer Teachers”. Journal of Educational and Psychological Sciences 2 (6): 71-48. https://doi.org/10.26389/AJSRP.A291217‎.