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Jessica Kingsley, c1992
Buku Teks
Faller, Kathleen Coulborn, author
Columbia University Press, 1988
Buku Referensi
Maria Gita Belinda, author
2017
UI - Skripsi (Membership)
Tanner, J.M.
Mass. : Harvard University Press, 1990
Buku Teks
Croker, Steve, author
Cengage Learning, 2012
Buku Teks