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 and matematicas" » "history en matematicas", "history las matematicas", "history de matematicas"
"historia por mathematics" » "historia of mathematics", "historia in mathematics", "historia con mathematica", "historia para mathematics", "historico por mathematics", "historia con mathematics"

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

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