edited by Sunil Mani, Henny Romijn
United Nations University Press, 2004
Buku Teks
by Paul Trott ... [and others]
Routledge, 2016
Buku Teks
Samsul Ma`arif
Fakultas Teknik Universitas Indonesia, 2019
UI - Tesis Membership
Rosenberg, Nathan
Cambridge University Press, 1976
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Millson, Murray R.
Pearson Education, 2007
Buku Teks