Wolf, P., Gutmann, B., Puma, M., Kisida, B., Rizzo, L., Eissa, N., et al. (2010). Evaluation of the impact of the DC Opportunity Scholarship Program: Final report (NCEE 2010-4018). Washington, DC: U.S. Government Printing Office.
Wolf, P., Gutmann, B., Puma, M., Kisida, B., Rizzo, L., Eissa, N., et al. (2010). Evaluation of the impact of the DC Opportunity Scholarship Program: Final report (NCEE 2010-4018). Washington, DC: U.S. Government Printing Office.