Forbes, J. E., & Eicholz, R. E. (1971). Mathematics for elementary teachers. Addison-Wesley Pub. Co.
Cita Chicago Style (17a ed.)Forbes, Jack E., y Robert E. Eicholz. Mathematics for Elementary Teachers. Reading, Mass: Addison-Wesley Pub. Co, 1971.
Cita MLA (9a ed.)Forbes, Jack E., y Robert E. Eicholz. Mathematics for Elementary Teachers. Addison-Wesley Pub. Co, 1971.
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