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Majalah, Jurnal, Buletin
Queensland : The University of Queensland Press, 1985
Majalah, Jurnal, Buletin
Bozeman, Adda B., author
Princeton University Press, 1960
Buku Teks
Sage, 2018
Majalah, Jurnal, Buletin
Sawer, Geoffrey, 1910-1996, author
Melbourne University Press, 1963
Buku Teks