Research Catalog

  • "Pies are hard to find out about-- " [microform] : an inquiry into children's understanding of the nature of fractions / prepared by Patricia S. Davidson, Anne M. Dickenson, and Cornelia C. Tierney.

    • Text
    • Cambridge, MA : Educational Technology Center, Harvard Graduate School of Education ; [Washington, DC] : U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center, [1985]
    • 1985

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