edited by H. Aram Veeser
Routledge, 1989
Buku Teks SO
Popper, Karl R.
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Buku Teks
edited by Ann Baynes Coiro and Thomas Fulton
Cambridge University Press, 2012
eBooks
edited and introduced by Richard Wilson and Richard Dutton
Longman, 1992
Buku Teks SO
Melani Budianta
2006
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