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"
"history con matematicas" » "history en matematicas", "history con mathematica", "history cocina matematicas", "historia con matematicas", "history of matematicas"
"historia del mathematics" » "historia de mathematica", "historia de matematicas", "historia el matematico", "historia de mathematics", "historia y 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 con matematicas") OR ((("historia del mathematics") OR ("historia oral mathematics"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"history con matematicas\") OR (((\"historia del mathematics\") OR (\"historia oral mathematics\"))))".
• Removing quotes may allow a broader search: (( history con matematicas ) OR ((( historia del mathematics ) OR ( historia oral mathematics )))).
• Adding a wildcard symbol may retrieve word variants: (("history con matematicas") OR ((("historia del mathematics") OR ("historia oral mathematics"))))*.