1. Achieving success in internet-supported learning in higher education: Case studies illuminate success factors, challenges, and future directions;Abel,2005
2. Changing course: Ten years of tracking online education in the United States;Allen,2013
3. Online report card: Tracking online education in the United States;Allen,2016
4. Increasing teacher effectiveness;Anderson,2004
5. Do Chickering and Gamson's seven principles also apply to online MBAs?;Arbaugh;The Journal of Educators Online,2006