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Google圖書搜尋
The Organization of Supervision
Fred Carleton Ayer
Arvil Sylvester Barr
其他書名
An Analysis of the Organization and Administration of Supervision in City School Systems
出版
Appleton
, 1928
URL
http://books.google.com.hk/books?id=Gt9EAAAAIAAJ&hl=&source=gbs_api