Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history de matematicas" » "history las matematicas", "history dde matematicas", "history den matematicas", "history dy matematicas", "historia de matematicas", "history a matematicas", "historia del matematicas"
"history of matematicas" » "history con matematicas", "history en matematicas", "history y matematicas"
"historia e matematica" » "historia de matematica", "historia en matematica", "historia y 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 de matematicas\") OR (\"historia e matematica\"))) OR (\"history of matematicas\"))~".
• Removing quotes may allow a broader search: (((( history de matematicas ) OR ( historia e matematica ))) OR ( history of matematicas ))~.
• Adding a wildcard symbol may retrieve word variants: (((("history de matematicas") OR ("historia e matematica"))) OR ("history of matematicas"))*.