Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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