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"
"history con mathematica" » "history en matematica", "history in mathematics", "history of mathematica"
"historia con mathematics" » "historia in mathematics", "historia con matematicas", "historia of mathematics", "historia como mathematics", "historia en mathematics", "historia un 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 con mathematica\") OR (((\"historia con mathematics\") OR (\"historia oral mathematics\"))))~".
• Removing quotes may allow a broader search: (( history con mathematica ) OR ((( historia con mathematics ) OR ( historia oral mathematics ))))~.
• Adding a wildcard symbol may retrieve word variants: (("history con mathematica") OR ((("historia con mathematics") OR ("historia oral mathematics"))))*.