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541Article of journalPor Márquez Escobar, Carlos Pablo; Pontificia Universidad Javeriana; Villegas Carrasquilla, Lorenzo; Comisión de Regulación de Comunicaciones de ColombiaPublished in 2009Repositorio Repositorio Universidad Javeriana
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542
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543
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544Article of journalPublished in 1992Repositorio Universidad Nacional de Colombia
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545Article of journalPublished in 1999Repositorio Universidad Nacional de Colombia
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546
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547Article of journalPublished in 2008Repositorio Universidad Nacional de Colombia
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548Published in 2019Repositorio Repositorio EdocUR - U. Rosario
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549
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550Published in 2020Repositorio Séneca: repositorio Uniandes
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551http://purl.org/coar/resource_type/c_6568Published in 2018Repositorio RiUPTC: Repositorio Institucional UPTC
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552Article of journalPublished in 2020Repositorio Repositorio Institucional - RIBUC
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553Article of journalPublished in 2020Repositorio Repositorio Institucional - RIBUC
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554
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555Article of journalPublished in 2005Repositorio Universidad Nacional de Colombia
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556
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557
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558BookPublished in 2012Repositorio Biblioteca Digital Minerva - Repositorio EAN
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559
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560Work documentPublished in 2009Repositorio Séneca: repositorio Uniandes
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