Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"historia en matematicas" » "historia de matematicas", "historia las matematicas", "historia del matematicas", "historia y matematicas"
"history el matematico" » "history la matematica", "historia el matematico", "history of matematico", "historia del matematico"
"history a matematica" » "history la matematica", "history da matematica", "history e matematica", "history and matematica", "history of matematica"

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

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