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1por Rayner, David, 1949 Apr. 23-Subjects “...Mathematics Study and teaching (Secondary) Great Britain....”
Publicado 2005
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2por Bostock, L.Subjects “...Mathematics Study and teaching (Secondary) Great Britain....”
Publicado 1985
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3por Bostock, L.Subjects “...Mathematics Study and teaching (Secondary) Great Britain....”
Publicado 1985
Libro