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Strong, Robert A, author
Thomson/South-Western, 2006
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Amila Azka Rachmayani, author
Sekolah Kajian Stratejik dan Global Universitas Indonesia, 2022
UI - Tugas Akhir
Farrell, James L., author
McGraw-Hill, 1997
Buku Teks
Jeremmy Erickson, author
2016
UI - Skripsi (Membership)