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Issue Date
Title
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2000
La dificultad que presentan los alumnos del primer ciclo de educación primaria para construir conceptos complejos
María del Carmen Juárez Bengoa
2000
Algunos aspectos comparativos sobre la idea de digestión en los niños de preescolar y segundo grado de primaria
Irma Santamaría Silva
;
Angélica Ruiz Vázquez
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Angélica Ruiz Vázquez
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Irma Santamaría Silva
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María del Carmen Juárez Bengoa
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CIENCIAS NATURALES -ESTUDIO Y ENS...