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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=504553252011 https://www.redalyc.org/journal/5045/504553252011/ https://www.redalyc.org/journal/5045/504553252011/html/ https://www.redalyc.org/journal/5045/504553252011/504553252011.epub https://www.redalyc.org/journal/5045/504553252011/movil http://dx.doi.org/10.17163/ret.n14.2017.05 |
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