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