Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history dde matematicas" » "history de matematicas", "history desde matematicas", "history idep matematicas", "history dde matematicass", "history dla matematicas", "history den matematicas", "history dden matematicas", "history ddy matematicas", "history ddde matematicass"
"history de matematica" » "history de matematicas", "history la matematica", "history en matematica", "history den matematica", "history dy matematica", "history dde matematicas", "historia de matematica", "history of matematica", "history a matematica"
"historia e matematica" » "historia en matematica", "historia y matematica", "historia de matematicas", "historia de matematica"

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

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