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Martinus Nijhoff, 1985
Buku Teks
Netherlands Organization for InternationalCooperation in Higher Education, 2006
Multimedia
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia,
UI - Makalah dan Kertas Kerja
Visser, Hans G., author
Edwar Elgar, 1995
Buku Teks
edited by Andrew T.H. Tan
Routledge, 2013
Buku Teks