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61
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64Doctoral thesisPublished in 2022Repositorio Universidad Nacional de Colombia
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65
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66http://purl.org/coar/resource_type/c_0857Published in 1965Repositorio Repositorio Digital Univalle
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67http://purl.org/coar/resource_type/c_0857Published in 1967Repositorio Repositorio Digital Univalle
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68
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72Doctoral thesisPublished in 2023Repositorio Universidad Nacional de Colombia
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