1. Davidoff A, Kenney G: Uninsured Americans with Chronic Health Conditions: Key Findings from the National Health Interview Survey. Washington, DC, Urban Institute, 2005
2. Fagan J, Piper ES, Moore M: Contributions of delinquency and substance abuse to school dropout. Youth and Society 21:306–354, 1990
3. August D, Shanahan T: (Eds): Developing Literacy in Second-Language Learners. Philadelphia, PA, Lawrence Erlbaum Associates, 2006
4. Dynarski M, Gleason P, Rangarajan A, Wood R: Impacts of Dropout Prevention Programs. Washington, DC, U.S. Department of Education, 1998
5. Alliance for Excellent Education: The High Cost of High School Dropouts: What the Nation Pays for Inadequate High Schools. Washington, DC, 2007