Consideraciones respecto al modelo del sistema de educacion a distancia (sead) de la Universidad pedagogica Nacional (uan)
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| Format: | Tesis de licenciatura |
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MX
1984
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000012516 http://132.248.9.195/pmig2018/0012516/Index.html |