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| Main Author: | |
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| Format: | Artículo científico |
| Language: | es |
| Published: |
Universidad Politécnica Salesiana
2017
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| Subjects: | |
| Online Access: | https://www.redalyc.org/articulo.oa?id=467751871001 https://www.redalyc.org/journal/4677/467751871001/ https://www.redalyc.org/journal/4677/467751871001/html/ https://www.redalyc.org/journal/4677/467751871001/467751871001.epub https://www.redalyc.org/journal/4677/467751871001/movil http://dx.doi.org/10.17163/alt.v12n2.2017.0 |
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