Importancia del Kindergarten en el campo : el Kindergarten rural socialista
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| Format: | Tesis de maestría |
| Published: |
México
1935
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000121276 https://tesiunamdocumentos.dgb.unam.mx/ppt1997/0121276/Index.html |