Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("history and matematicas") OR ("history de matematicas"))) OR ("historia en matematicas"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"history and matematicas\") OR (\"history de matematicas\"))) OR (\"historia en matematicas\"))*".
• Removing quotes may allow a broader search: (((( history and matematicas ) OR ( history de matematicas ))) OR ( historia en matematicas ))*.