edited by William Gutteridge
Facts on File, 1986
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Marcel Dekker, 1988
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Saufi Salamun
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
UI - Tesis Membership
Pisoiu, Daniela
Routledge, Taylor & Francis Group, 2018
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Martin, Gus
Sage, 2019
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