1

article
Published in 2013
Repository Repositorio Universidad Politécnica Salesiana
2

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Published in 2010
Repository Repositorio Universidad Politécnica Salesiana
4

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Published in 2007
Repository Repositorio Universidad Politécnica Salesiana
11

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Published in 2011
Repository Repositorio Universidad Politécnica Salesiana
16

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Published in 2009
Repository Repositorio Universidad Politécnica Salesiana
18