Hira, Ron
American Management Association, 2008
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Roberto Bellarmino Gratio
Fakultas Hukum Universitas Indonesia, 2021
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Levitan, Sar A.
Harper & Row, 1982
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Munawar Suwartono
Universitas Indonesia, 1998
UI - Tesis Membership
Jesus Felipe; Rana Hasan, editor
Palgrave Macmillan, 2006
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