Silalahi, Bajogi Leo, author
Universitas Indonesia, 2002
UI - Skripsi (Membership)
Dewinta Anggesti, author
2015
UI - Tugas Akhir
Universitas Indonesia, 2005
UI - Skripsi (Membership)
Anggrainy Kusuma Permatasari, author
[Fakultas Ekonomi dan Bisnis, ], 2014
UI - Tesis (Membership)
Turner, Arthur C.
Ryerson Press,
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