Lesh, R. A., & Landau, M. (1983). Acquisition of mathematics concepts and processes. Academic Press.
Cita Chicago Style (17a ed.)Lesh, Richard A., y Marsha Landau. Acquisition of Mathematics Concepts and Processes. Orlando [etc.]: Academic Press, 1983.
Cita MLA (9a ed.)Lesh, Richard A., y Marsha Landau. Acquisition of Mathematics Concepts and Processes. Academic Press, 1983.
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