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61.
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62.
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63.
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64.
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65.
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66.
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Clasificación y catálogos by Litton, Gastón. Series: Breviarios del BibliotecarioMaterial type: Text Language: Spanish Publication details: Mexico : Buenos Aires, Centro Regional de Ayuda Técnica ; 1971Availability: Items available for loan: Biblioteca Central UNNECall number: 025 L781 ej.10 (1).
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67.
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Cómo se forma una colección by Litton, Gastón. Series: Breviarios del BibliotecarioMaterial type: Text Language: Spanish Publication details: Mexico : Buenos Aires : Centro Regional de Ayuda Técnica ; Bowker Editores Argentina, 1970Availability: Items available for loan: Biblioteca Central UNNECall number: 025 L781 c ej.1 (1).
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68.
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Catalogación y clasificación de libros by Penna, Carlos Víctor, 1911 | Gietz, Ernesto Gustavo [pról.]. Material type: Text Language: Spanish Publication details: Buenos Aires : Acmé, 1945Availability: Items available for loan: Biblioteca Central UNNECall number: 025 P412 c ej.1 (1).
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69.
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70.
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71.
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72.
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73.
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74.
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75.
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76.
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77.
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78.
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79.
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80.
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Tesauro de la educación UNESCO : OIE Edition: 5a ed. rev. y aum.Material type: Text Language: Spanish Publication details: Buenos Aires : United Nations Educational, Scientific and Cultural Organization ; IBEDATA, 1992Availability: Items available for loan: Biblioteca Central UNNECall number: 025.4 T336 ej.1 (1).
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