Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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

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 of mathematica\") OR (\"teaching la matematica\"))) OR (\"teaching e matematica\"))~".
• Removing quotes may allow a broader search: (((( teaching of mathematica ) OR ( teaching la matematica ))) OR ( teaching e matematica ))~.
• Adding a wildcard symbol may retrieve word variants: (((("teaching of mathematica") OR ("teaching la matematica"))) OR ("teaching e matematica"))*.