Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history la matematicas" » "history las matematicas", "history la matematica", "history de matematicas", "history ly matematicas", "history l2 matematicas", "history l3 matematicas", "historia la matematicas", "history of matematicas", "historiar la matematicas"
"history a matematicas" » "history y matematicas", "history 2 matematicas", "history 3 matematicas", "history and matematicas", "history of matematicas"
"history 1 matematicas" » "history y matematicas", "history 1 matematica", "history 2 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 a matematicas\") OR (\"history 1 matematicas\"))) OR (\"history la matematicas\"))~".
• Removing quotes may allow a broader search: (((( history a matematicas ) OR ( history 1 matematicas ))) OR ( history la matematicas ))~.
• Adding a wildcard symbol may retrieve word variants: (((("history a matematicas") OR ("history 1 matematicas"))) OR ("history la matematicas"))*.