1. Answers in the tool box: Academic intensity, attendance patterns, and bachelor’s degree attainment;Adelman,1999
2. Advisory Committee for the National Assessment of Vocational Education (2003). Report of the Advisory Committee for the National Assessment of Vocational Education, Washington, DC: US Department of Education Office of the Under Secretary.
3. Altonji, J. (1994). The effects of high school curriculum on education and labor market outcomes. The Journal of Human Resources, xxx (3), 409–438.
4. Bishop, J. H., & Mane, F. (2001). Impacts of tougher graduation requirements on course selection and learning in high school and post high school experiences of vocational students. Cornell University, Center for Advanced Human Resources Discussion paper.
5. The national JTPA study—overview;Bloom,1994