Wheeler, R. E., & Wheeler, E. R. (1995). Modern mathematics for elementary school teachers (9th ed.). Brooks/Cole Pub. Co..
Cita Chicago Style (17a ed.)Wheeler, Ruric E., y Ed R. Wheeler. Modern Mathematics for Elementary School Teachers. 9th ed. Pacific Grove: Brooks/Cole Pub. Co., 1995.
Cita MLA (9a ed.)Wheeler, Ruric E., y Ed R. Wheeler. Modern Mathematics for Elementary School Teachers. 9th ed. Brooks/Cole Pub. Co., 1995.
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