1. Achieve. (2012). College and career readiness agenda. Retrieved June 15, 2012, from http://www.achieve.org/college-and-career-ready-agenda
2. Achieving the Dream (ATD). (2012). Downloaded on April 10, 2012, from http://www.achievingthedream.org/goal/solution
3. ACT. (2005). Courses count: Preparing students for postsecondary success. Iowa City, IA: ACT Policy Report.
4. Adelman, C. (1999). Answers in the tool box: Academic intensity, attendance patterns, and bachelor’s degree attainment. Washington, DC: U.S. Department of Education Office of Education Research and Improvement.
5. Adelman, C. (2006). The toolbox revisited: Paths to degree completion from high school through college. Washington, DC: U.S. Department of Education.