1903-1968 1907-1996 1921-1997 19thcentury 20thcentury africa antonio basiceducation biography brazil carmen casestudies civilsociety communicationineducation communityandschool conde congresses cooperativesocieties criticalpedagogy criticaltheory criticismandinterpretationfreire cross-culturalstudies curriculumchange democracyandeducation dialogue education educationalchange educationalinnovations educationalsociology educationandstate educationinpopularculture educators evaluation freire higher history humanrights influence latinamerica methodology militarygovernment non-formaleducation oliverbelmas paraíba(state) paulo philosophy politicalaspects politicalfreedom politicalscience popularculture research security sierraleone socialaspects socialconditions socialjustice socialmovements socialscience southernconeofsouthamerica spain studyandteaching sub-saharan sweden sãopaulo teaching unitedstates vocationaleducation workingclass