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 ddde matematicas", "history dden matematicas", "history ddde matematicass"
"historia y matematica" » "historia y matematicas", "historia la matematica", "historia de matematica"
"historia e matematica" » "historia de matematica", "historia en matematica", "historia de matematicas", "historia el 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 y matematica") OR ("historia e matematica"))) OR ("history dde matematicas"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"historia y matematica\") OR (\"historia e matematica\"))) OR (\"history dde matematicas\"))".
• Removing quotes may allow a broader search: (((( historia y matematica ) OR ( historia e matematica ))) OR ( history dde matematicas )).
• Adding a wildcard symbol may retrieve word variants: (((("historia y matematica") OR ("historia e matematica"))) OR ("history dde matematicas"))*.