Emerald, 2017
eBooks
Damodaran, Aswath, author
Wharton School Publishing, 2008
Buku Teks
Artikel Jurnal
Weeks, M. J., author
[American Management Association, ], 2004
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Almas Safira Nadyaputri, author
Fakultas Teknik Universitas Indonesia, 2018
UI - Tugas Akhir