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Holding Power, Large City School Systems
其他書名
A Study of the Holding Power Rates of School Systems in 128 Large Cities, Population Over 90,000, Based on the Graduating Classes of 1950-1963, Inclusive. Project: School Dropouts, National Education Association
出版National Education Association, 1964
主題Education / General
ISBN05982320959780598232090
URLhttp://books.google.com.hk/books?id=zy3lAAAAMAAJ&hl=&source=gbs_api