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Buku Teks
Wacks, Raymond, author
Oxford University Press, 2013
Buku Teks
Beer, Lawrence Ward, 1932-
Kodansha International, 1984
Buku Teks
edited by Herman Wasserman
Routledge, 2013
Buku Teks
Nibras Nada Nailufar, author
2016
UI - Makalah dan Kertas Kerja