15' target="_blank" > Using an Interactive Computer System to Support the Task of Building the Notions of Ratio and Proportion

Elena Fabiola Ruiz Ledesma

Creative Education Vol.1 No.2

Full-Text HTML   Pub. Date: September 18, 2010

DOI: 10.4236/ce.2010.12017   5,990 Downloads  9,055 Views  Citations

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