Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history de matematicas" » "history las matematicas", "historia de matematicas", "history of matematicas", "history a matematicas"
"history in mathematics" » "history en matematicas", "history en matematica", "history and mathematics", "history of mathematics", "history a mathematics"
"history y matematicas" » "history en matematicas", "history las matematicas", "history a matematicas", "historia y matematicas", "history of matematicas"

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

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