Scientific method in supervision : the second yearbook of the National Conference of Supervisors and Directors of Instruction
Guardat en:
| OCLC: | 3106894 |
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| Autor corporatiu: | |
| Altres autors: | , |
| Idioma: | English |
| Publicat: |
New York :
Bureau of Publications, Teachers College, Columbia University,
1929.
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| Matèries: | |
| Format: | Monograph Note that CRL will digitize material from the collection when copyright allows. |