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Trends in Academic Progress
Educational Testing Service
其他書名
Achievement of U.S. Students in Science, 1969-70 to 1990, Mathematics, 1973 to 1990, Reading, 1971 to 1990, Writing, 1984 to 1990
出版The Center, 1991
ISBN01603604639780160360466
URLhttp://books.google.com.hk/books?id=7ebW8yaMLKEC&hl=&source=gbs_api