Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history en matematicas" » "history de matematicas", "history las matematicas", "historia en matematicas", "history and matematicas", "history of matematicas"
"history la matematicas" » "history las matematicas", "history la matematica", "history de matematicas", "history a matematicas", "historia la matematicas", "history of matematicas"
"historia and matematica" » "historia en matematica", "historia la matematica", "historia de matematica", "historia un matematica", "historia una matematica"

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

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