Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history den matematicass" » "history de matematicas", "history en matematicas", "history en matematica", "historia del matematicass"
"historia in mathematical" » "historia in mathematics", "historia en matematicas", "historia con mathematica", "historia en mathematical", "historia un mathematical", "historia ii mathematical"
"historia de matematica" » "historia de matematicas", "historia la 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: (("history den matematicass") OR ((("historia in mathematical") OR ("historia de matematica"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"history den matematicass\") OR (((\"historia in mathematical\") OR (\"historia de matematica\"))))".
• Removing quotes may allow a broader search: (( history den matematicass ) OR ((( historia in mathematical ) OR ( historia de matematica )))).
• Adding a wildcard symbol may retrieve word variants: (("history den matematicass") OR ((("historia in mathematical") OR ("historia de matematica"))))*.