Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( roa bicycle ((racero OR nacer) OR racter )) OR ( roa bicycle ((raceo OR gtraco) OR grade) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( roa bicycle ((racero OR nacer) OR racter )) OR ( roa bicycle ((raceo OR gtraco) OR grade) ))~".
• Adding a wildcard symbol may retrieve word variants: (( roa bicycle ((racero OR nacer) OR racter )) OR ( roa bicycle ((raceo OR gtraco) OR grade) ))*.