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24.
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27.
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28.
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El hombre y la ciencia: 6to grado Por Segundo Villacís by Villacís, Segundo [Autor(a)]. Material type: Text; Format:
print
; Literary form:
Not fiction
Language: Spanish Publisher: Quito: MInisterio de Educación y Deportes, [Fecha no identificada]Availability: Items available for loan: Campus CentralCall number: 500.71 V7115 (3).
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31.
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Ciencias de la Naturaleza 4 Por Victor M. Valecillo by Valecillo, Victor M [Autor(a)]. Material type: Text; Format:
print
; Literary form:
Not fiction
Language: Spanish Publisher: Madrid: La escuela nueva, 1980Availability: Items available for loan: Campus CentralCall number: 500.71 V2342 (1).
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32.
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Ciencias Naturales: primer curso- ciclo básico Por Agustín Álvarez A. by Alvarez A., Agustín. Edition: revisadaMaterial type: Text; Format:
print
; Literary form:
Not fiction
Language: Spanish Publisher: [Lugar de la publicación no identificada] [Editorial no identificada] [Fecha de la publicación no identificado]Availability: Items available for loan: Campus CentralCall number: 500.71 Al863 (2).
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33.
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Ciencias: estudio de la naturaleza 4 Por Luis Rey by Rey, Luis [Autor(a)]. Material type: Text; Format:
print
; Literary form:
Not fiction
Language: Spanish Publisher: Madrid: CODICE, 1980Availability: Items available for loan: Campus CentralCall number: 500.71 R3301 (1).
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35.
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Estudios sociales 8: Por Jorge Sánchez A, responsable by Sánchez A., Jorge [Autor(a)]. Material type: Text; Format:
print
; Literary form:
Not fiction
Language: Spanish Publisher: Cuenca: Don Bosco, [Fecha no identificada]Availability: Items available for loan: Campus CentralCall number: 907.1 S669 (5).
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40.
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