Esteban Ortega Calvo

Spain

Joined: 14/10/2012

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Esteban Ortega Calvo's PowerPoint Presentations

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ezeaminga is now following estebanortegacal

91 months ago

ezeaminga, jgonzalezbugueno are now following estebanortegacal

gusgon58 commented on estebanortegacal's presentation "El Universo y el origen de la tierra"

98 months ago

Comment (1)

gusgon58 : Hola Esteban. he visto tus presentaciones y me gustar�a poder descargarlas para usarlas en mis clases.

98 months ago

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