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		No cover image available Concepciones alternativas de alumnos de segundo y tercer ciclo de primaria, sobre el sistema Sol-Tierra-Luna by Redondo Moralo, Fátima Cañada Cañada, Florentina Material type: Article; Format: print Publication details: México Online resources: Click here to access online Availability: No items available.
		No cover image available Las explicaciones de los fenómenos biológicos by Calixto Flores, Raúl Material type: Article; Format: print Publication details: México Availability: No items available.

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