Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"teaching and mathematical" » "teaching en matematicas", "teaching in mathematics", "teaching con mathematica", "teaching of mathematical"
"teaching in mathematical" » "teaching in mathematics", "teaching en matematicas", "teaching con mathematica", "teaching of mathematical"
"teaching de mathematica" » "teaching de matematica", "teaching de matematicas", "teaching e matematica", "teaching the mathematica", "teaching of mathematica", "teaching to mathematica"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching de mathematica\") OR (((\"teaching and mathematical\") OR (\"teaching in mathematical\"))))~".
• Removing quotes may allow a broader search: (( teaching de mathematica ) OR ((( teaching and mathematical ) OR ( teaching in mathematical ))))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching de mathematica") OR ((("teaching and mathematical") OR ("teaching in mathematical"))))*.