Scientific method in supervision : the second yearbook of the National Conference of Supervisors and Directors of Instruction
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OCLC: | 3106894 |
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企业作者: | |
其他作者: | , |
语言: | English |
出版: |
New York :
Bureau of Publications, Teachers College, Columbia University,
1929.
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主题: | |
格式: | Monograph Note that CRL will digitize material from the collection when copyright allows. |