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Yayasan Obor Indonesia, 1990
Buku Teks
Raharjo, author
Gadjah Mada University Press, 2004
Buku Teks
Rahardjo, examiner
Gajah Mada University Press , 1999
Buku Teks
Horton, Paul B., author
Erlangga, 1987
Buku Teks
Horton, Paul B., author
McGraw-Hill , 1984
Buku Teks