Hach, Jurgen
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Buku Teks
Schraf, Betty R
Tiara Wacana Yogya, 1995
Buku Teks
Weber, Max, 1864-1920, author
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Buku Teks
Demerath, N. J. (Nicholas Jay), 1936-, author
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Buku Teks
Bruce, Steve
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Buku Teks