1. National telecommunications and information administration;A nation online: how Americans are expanding their use of the Internet,2002
2. Influence of satisfaction and preparedness on online students' feelings of anxiety;Abdous;The Internet and Higher Education,2019
3. Measuring student e-learning readiness: A case about the subject of electricity in higher education institutions in Turkey;Akaslan,2011
4. Changing course: Ten Years of tracking online Education in the United States. Babson survey research group;Allen,2013
5. Grade level: Tracking online education in the United States;Allen,2014