Parra, M. C. (1998). Cálculo mental en la escuela primaria.
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Citación estilo Chicago
Parra, María Cecilia. Cálculo Mental En La Escuela Primaria. 1998.
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Cita MLA
Parra, María Cecilia. Cálculo Mental En La Escuela Primaria. 1998.
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Warning: These citations may not always be 100% accurate.