Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history en matematicas" » "history de matematicas", "history las matematicas", "history and matematicas", "history of matematicas", "historica en matematicas"
"historia en mathematica" » "historia en matematica", "historia con mathematica", "historia in mathematical", "historia del mathematica", "historia de mathematica", "historia y mathematica"
"history a mathematics" » "history in mathematics", "history of mathematics", "history la matematicas", "history and mathematics"

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 en matematicas\") OR (\"history a mathematics\"))) OR (\"historia en mathematica\"))~".
• Removing quotes may allow a broader search: (((( history en matematicas ) OR ( history a mathematics ))) OR ( historia en mathematica ))~.
• Adding a wildcard symbol may retrieve word variants: (((("history en matematicas") OR ("history a mathematics"))) OR ("historia en mathematica"))*.