Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"historias den mathematics" » "historias in mathematics", "historias de matematicas", "historias en matematicas", "historias de mathematics", "historia de mathematics", "historia del mathematics"
"historia y matematicas" » "historia de matematicas", "historia en matematicas", "historia las matematicas", "historia y matematicos", "historia e matematicas", "historia la matematicas"
"historia y matematica" » "historia y matematico", "historia e matematica", "historia la matematica", "historia de matematica"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("historia y matematicas") OR ("historia y matematica"))) OR ("historias den mathematics"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"historia y matematicas\") OR (\"historia y matematica\"))) OR (\"historias den mathematics\"))*".
• Removing quotes may allow a broader search: (((( historia y matematicas ) OR ( historia y matematica ))) OR ( historias den mathematics ))*.