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Theory and practice of distance education /
| Autor principal: | |
|---|---|
| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
London ; New York :
Routledge,
1995.
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| Edición: | 2nd ed. |
| Colección: | Routledge studies in distance education
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| Materias: |