Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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