Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("historia la matematicas") OR ((("history and mathematical") OR ("history in mathematical"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"historia la matematicas\") OR (((\"history and mathematical\") OR (\"history in mathematical\"))))".
• Removing quotes may allow a broader search: (( historia la matematicas ) OR ((( history and mathematical ) OR ( history in mathematical )))).
• Adding a wildcard symbol may retrieve word variants: (("historia la matematicas") OR ((("history and mathematical") OR ("history in mathematical"))))*.