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Research Service in Education
Pennsylvania. Dept. of Public Instruction
其他書名
Keeping in Touch with the Public Schools
出版1938
URLhttp://books.google.com.hk/books?id=m5HlAAAAMAAJ&hl=&source=gbs_api
註釋This series of bulletins comprises three types of research publications. One type, the Research circular, gives the results of short studies on problems of immediate interest. Another type, the Research bulletin, includes research studies of a longer nature. A third type, the Monograph, is a bulletin in which summaries of theses and other comprehensive studies are included. This latter type of publication will complete the series of research publications by the department. cf. Foreward, Bulletin no. 75,