en.wikipedia.org
en.wikipedia.org
academic.oup.com
Oxford Academic
https://academic.oup.com › book › 625 › chapter › 135331572
academic.oup.com
Oxford Academic
https://academic.oup.com › book › 950 › chapter › 137820795
pages.gseis.ucla.edu
pages.gseis.ucla.edu
https://www.pages.gseis.ucla.edu › faculty › kellner › papers › fs.htm
academic.oup.com
jstor.org
britannica.com
plato.stanford.edu
Stanford Encyclopedia of Philosophy
https://plato.stanford.edu › entries › critical-theory › index.html
jstor.org
onlinelibrary.wiley.com
Wiley Online Library
https://onlinelibrary.wiley.com › doi › 10.1111 › j.1460-2466.1977.tb02121.x
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