Proyecto de un programa, de educacion ambiental, para la enseñanza primaria
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| Format: | Tesis de licenciatura |
| Published: |
MX
1996
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000243820 http://132.248.9.195/ppt1997/0243820/Index.html |