Discovering whether programs work a guide to statistical methods for program evaluation
| Autor principal: | |
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| Formato: | Livro |
| Idioma: | English |
| Publicado em: |
Glenview, Ill.
Scott, Foresman
c1980.
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| Colecção: | The Scott, Foresman public policy analysis and management series
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| Assuntos: |