Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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

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