1. Adult Education and Family Literacy. (2006). Report to the governor and general assembly, Illinois Community College board. Retrieved from www.iccb.org/pdf/adulted/publications.../AEFLannualreport06.pdf
2. Adult Learning in Focus. National and State-by-State Data. (2008). Council for adult and experiential learning (CAEL) in partnership with NCHEMS. Retrieved from http://www.cael.org/pdf/State_Indicators_Monograph.pdf
3. American Council on Education. (2012a). About GED testing. Retrieved from http://www.acenet.edu/Content/NavigationMenu/ged/about/About_GED_Testing.htm
4. American Council on Education. (2012b). ACE and Pearson collaborate to transform GED test, aligned with common core state standards, based on GED 21st century initiative. Retrieved from http://www.acenet.edu/AM/Template.cfm?Section=Press_Releases2&TEMPLATE=/CM/ContentDisplay.cfm&CONTENTID=40286