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", "history and matematicas", "history of matematicas", "history a matematicas"
"historia en matematicas" » "historia de matematicas", "historia las matematicas", "historia del matematicas", "historia y matematicas"
"history y matematicas" » "history de 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"history en matematicas\") OR (\"historia en matematicas\"))) OR (\"history y matematicas\"))~".
• Removing quotes may allow a broader search: (((( history en matematicas ) OR ( historia en matematicas ))) OR ( history y matematicas ))~.
• Adding a wildcard symbol may retrieve word variants: (((("history en matematicas") OR ("historia en matematicas"))) OR ("history y matematicas"))*.