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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=467751868004 https://www.redalyc.org/journal/4677/467751868004/ https://www.redalyc.org/journal/4677/467751868004/html/ https://www.redalyc.org/journal/4677/467751868004/467751868004.epub https://www.redalyc.org/journal/4677/467751868004/movil http://dx.doi.org//10.17163/alt.v12n1.2017.04 |
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