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 social mathematics", "historia del mathematics"
"historia con mathematics" » "historia con mathematica", "historia in mathematics", "historia con matematicas", "historia como mathematics", "historia en mathematics", "historia un mathematics"
"historia de mathematics" » "historia de matematicas", "historia de matematica", "historia in mathematics"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("historia de mathematics") OR ("historia con mathematics"))) OR ("historia oral mathematics"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"historia de mathematics\") OR (\"historia con mathematics\"))) OR (\"historia oral mathematics\"))".
• Removing quotes may allow a broader search: (((( historia de mathematics ) OR ( historia con mathematics ))) OR ( historia oral mathematics )).
• Adding a wildcard symbol may retrieve word variants: (((("historia de mathematics") OR ("historia con mathematics"))) OR ("historia oral mathematics"))*.