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Issue Date
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1994
La adquisición de noción de fracción en el niño de 3er. grado de educación primaria
Rocío Araceli Duarte Baca
1994
Alternativas didácticas para propiciar la comprensión de fracciones equivalentes en el cuarto grado de educación primaria
Rosa María Mozas Valenzuela
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Rocío Araceli Duarte Baca
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Rosa María Mozas Valenzuela