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Las ciencias naturales en la educación básica : fundamento y métodos / Kenneth D. George ... [et al.] ; tr. Carmen Aragó López. by Series: Aula XXI ; 12
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Madrid : Santillana, 1977
Availability: Items available for loan: Bib. Gregorio Torres Quintero (6)Collection, call number: Colección General LB1585 E448, ...

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Las ciencias naturales en la educación básica : fundamento y métodos / Kenneth D. George... [et al.] ; tr. Carmen Aragó López. by Series: Aula XXI. Santillana
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: México : Santillana, 1992 (1998 impr.)
Availability: Items available for loan: Bib. Gregorio Torres Quintero (5)Collection, call number: Colección General LB1585 E4.48a, ...

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La enseñanza de las ciencias naturales : un enfoque experimental para la educación básica / Kenneth D. George, Maureen A. Dietz, Eugene C. Abraham ; tr. Bartolomé Yankovic Nola. by Series: Aula XXI ; 13
Material type: Text Text; Literary form: Not fiction
Publication details: Madrid : Santillana, 1977
Availability: Items available for loan: Bib. Gregorio Torres Quintero (4)Collection, call number: Colección General LB1585 M6.5 G4.48, ...

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