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Buku Teks
Fournies, Ferdinand, author
McGraw-Hill, 2003
Buku Teks
Ghaida Mastura, author
Fakultas Hukum Universitas Indonesia, 2020
UI - Tesis (Membership)
Hanan, Mack, author
[American Management Association, ], 2004
eBooks
Feigon, Josiane Chriqui, author
[American Management Association, American Management Association], 2013
eBooks