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 de matematicas" » "historia las matematicas", "historia la matematicas", "historia en matematicas", "historia en matematicass"
"historia de matematica" » "historia la matematica", "historia en matematica", "historia en matematicas"

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

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