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Evaluation Study of the California State Preschool Program
Ralph Hoepfner
University of California, Los Angeles. Center for the Study of Evaluation
出版
Center for the Study of Evaluation, UCLA Graduate School of Education, University of California
, 1975
URL
http://books.google.com.hk/books?id=7f5mNvBcyBgC&hl=&source=gbs_api