Brown, Harold I.
Rationality
Routledge, 1988
Buku Teks
Morrison, John
This freedom
Penguin Books, 1985
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Olson, David R.
The mind on paper : reading, consciousness, and rationality
Cambridge University Press, 2016
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Fromm, Erich
Fear of freedom
Routledge Classics, 2001
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The future of freedom
Indian Committee for Cultural Freedom, 1999
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