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C. C. H. : un sistema educativo diferente / por Alfonso Bernal Sahagún.

by Bernal Sahagún, Alfonso.

Series: Biblioteca de la educación superiorMaterial type: Text Text; Format: print ; Literary form: Not fiction Publication details: México : ANUIES, 1979Availability: Items available for loan: 3 . Collection(s): Colección General Call number: LE7 M368 B4.2.

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Prácticas de química : enseñanza secundaria / Alfonso Bernal Sahagún.

by Bernal Sahagún, Alfonso.

Material type: Text Text; Literary form: Not fiction Publication details: México : [s.n.], 1970Availability: Items available for reference: Disponible (Préstamo en sala) (1) . Collection(s): Libros de texto Call number: LB1649 M6 B4.6 LE.

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