1. Abt Associates. 1979. Child care food program. Cambridge, Mass.: Abt Associates.
2. Quantitative proof of intentional discrimination;Baldus;Evaluation Quarterly,1977
3. Issues in the analysis of selectivity bias;Barnow,1980
4. Recent statistical developments with implications for evaluation of criminal justice programs;Berk,1980
5. Race and class differences in per pupil staffing expenditures in Chicago elementary schools;Berk;Integrated Education,1972