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 de matematica" » "history de matematicas", "history la matematica", "history y matematicas", "historia de matematica", "history of matematica", "history a matematica"
"history y matematica" » "history y matematicas", "history e matematica", "history y matematico", "history a matematica", "historia y matematica", "history of 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 de matematica") OR ("history y matematica"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"history en matematicas\") OR (((\"history de matematica\") OR (\"history y matematica\"))))*".
• Removing quotes may allow a broader search: (( history en matematicas ) OR ((( history de matematica ) OR ( history y matematica ))))*.