Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"historia oral mathematics" » "historia of mathematics", "historia rural matematicas", "historia in mathematics", "historia del mathematics"
"historia con mathematica" » "historia en matematica", "historia in mathematics", "historia como mathematica", "historia en mathematica", "historia un mathematica"
"historia de matematicas" » "historia las matematicas"

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