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541
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542Article of journalPublished in 2024Repositorio Biblioteca Digital Universidad Externado de Colombia
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543
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544Article of investigationPublished in 2020Repositorio RIUCaC - Repositorio U. Católica
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545
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546Article of investigationPublished in 2020Repositorio RIUCaC - Repositorio U. Católica
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547Article of investigationPublished in 2020Repositorio RIUCaC - Repositorio U. Católica
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548
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549
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550
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551
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552
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553Article of journalPor Vickrey, WilliamPublished in 1999Repositorio Universidad Nacional de Colombia
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554Published in 2009Repositorio Universidad Nacional de Colombia
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555Article of journalPublished in 2008Repositorio Universidad Nacional de Colombia
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556
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557Article of journalPublished in 1997Repositorio Universidad Nacional de Colombia
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558Article of journalPublished in 1999Repositorio Universidad Nacional de Colombia
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559
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560