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Foundations of program evaluation : theories of practice
Shadish, William R.; Cook, Thomas D.; Leviton, Laura C. - 1991 - 1. print.
Persistent link: https://www.econbiz.de/10004107522
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Guiding principles for evaluators
Shadish, William R. (contributor) - 1995
Persistent link: https://www.econbiz.de/10004346723
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Meta-analysis for explanation : a casebook
Cook, Thomas D. (contributor) - 1992
Persistent link: https://www.econbiz.de/10004134473
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Meta-analysis for explanation : a casebook
Cook, Thomas D. (contributor) - 1992 - 1. [print.]
Persistent link: https://www.econbiz.de/10013541132