Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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