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Buku Teks
I.R. Poedjawijatna, author
Bina Aksara, 1988
Buku Teks
Osborn, Alex
Charles Scribner`s Sons, 1952
Buku Teks
Russell, Bertrand, 1872-1970, author
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Buku Teks
edited by Robert J. Sternberg and Peter A. Frensch ; penerjemah, Togi Marolop Pradana Pangaribuan
Lawrence Erlbaum Associates, 1991
Buku Teks