Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history el matematico" » "history en matematicas", "history la matematica", "history of matematico", "history a matematico", "historia del matematico"
"historia el matematico" » "historia en matematicas", "historia la matematica", "historia del matematico", "historia en matematico", "historia de matematico"
"history y matematica" » "history y matematicas", "history e matematica", "history la matematica", "history a matematica", "historia y 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: (((("history el matematico") OR ("historia el matematico"))) OR ("history y matematica"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"history el matematico\") OR (\"historia el matematico\"))) OR (\"history y matematica\"))".
• Removing quotes may allow a broader search: (((( history el matematico ) OR ( historia el matematico ))) OR ( history y matematica )).
• Adding a wildcard symbol may retrieve word variants: (((("history el matematico") OR ("historia el matematico"))) OR ("history y matematica"))*.