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561Article of journalPublished in 2013Repositorio Universidad Nacional de Colombia
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562Article of journalPublished in 2001Repositorio Universidad Nacional de Colombia
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563Article of journalPublished in 2008Repositorio Universidad Nacional de Colombia
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564Work documentPublished in 2018Repositorio Universidad Nacional de Colombia
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565Published in 2014Repositorio Universidad Nacional de Colombia
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570articlePublished in 2015Repositorio Repositorio Universidad Javeriana“... with their investments, often without external support. This phenomenon has been called Self-supply. Self-supply ranges...”
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571Article of journalPublished in 2013Repositorio Repositorio Universidad Javeriana
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572Article of journalPublished in 2013Repositorio Repositorio Universidad Javeriana
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573Article of journalPublished in 2015Repositorio Repositorio Digital Universidad de los LLanos
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574Published in 2019Repositorio Repositorio EAFIT
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580Trabajo de grado de pregradoPublished in 2019Repositorio Séneca: repositorio Uniandes