References
- Harting , K. , & Erthal , M. J. ( 2005 ). History of distance learning . Information Technology, Learning, and Performance Journal , 23 ( 1 ), 35 – 44 .
- US Senate Committee on Health, Education, Labor and Pensions . ( 2012 ). For profit college investigation. Retrieved from http://www.harkin.senate.gov/help/forprofitcolleges.cfm