Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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

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

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