Ulima Umavashti
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2018
UI - Tugas Akhir
Gooch, R.K. (Robert Kent), 1893-1982
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Buku Teks
Stout, Hiram Miller
Oxford University Press, 1953
Buku Teks
Williams, Basil
Oxfrold at the claredon Press, [c.1962]
Buku Teks
Jones, Bill
Manchester University Press, 1993
Buku Teks