Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"teaching en matematica" » "teaching en matematicas", "teaching el matematico", "teaching de matematica", "teaching in matematica", "teaching and matematica", "teaching of matematica", "teaching then matematica", "teaching ofn matematica", "teaching inn matematica"
"teaching la matematica" » "teaching las matematicas", "teaching de matematicas", "teaching en matematicas", "teaching of matematica", "teaching in matematica", "teaching to matematica"
"teaching e matematica" » "teaching de matematica", "teaching y matematica", "teaching de matematicas", "teaching the matematica", "teaching of matematica", "teaching in matematica"

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

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