Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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