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Google圖書搜尋
Bias in the Estimates of Treatment Effects in Quasi-experimental Evaluations
Burt S. Barnow
出版
Office of Research and Evaluation, Office of the Assistant Secretary for Policy, Evaluation and Research, Department of Labor
, 1978
URL
http://books.google.com.hk/books?id=hotXAAAAYAAJ&hl=&source=gbs_api
EBook
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