Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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

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 and matematica\") OR (\"history y matematicas\"))) OR (\"historia la matematica\"))~".
• Removing quotes may allow a broader search: (((( history and matematica ) OR ( history y matematicas ))) OR ( historia la matematica ))~.
• Adding a wildcard symbol may retrieve word variants: (((("history and matematica") OR ("history y matematicas"))) OR ("historia la matematica"))*.