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From arithmetical to algebraic language: errors and difficulties. (Del lenguaje arithmético al algebraico: errores y dificultades.) (Spanish)
Uno 22, No. 73, 38-44 (2016).
Classification: H20 H30 F30 F40 F50 D70 E40
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Selected articles by Miguel de Guzmán. (Textos de Miguel de Guzmán.) (Spanish)
Revista SUMA, Madrid (ISBN 84-931776-9-5). 142 p. (2005).
Classification: A10
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