Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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