Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"teaching and mathematica" » "teaching in mathematics", "teaching en matematica", "teaching de mathematica"
"teaching in mathematical" » "teaching in mathematics", "teaching en matematicas", "teaching en matematica", "teaching of mathematical"
"teaching con mathematica" » "teaching in mathematics", "teaching en matematica", "teaching of mathematica", "teaching for 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 and mathematica\") OR (((\"teaching in mathematical\") OR (\"teaching con mathematica\"))))~".
• Removing quotes may allow a broader search: (( teaching and mathematica ) OR ((( teaching in mathematical ) OR ( teaching con mathematica ))))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching and mathematica") OR ((("teaching in mathematical") OR ("teaching con mathematica"))))*.