Zichy, Shoya, author
American Management Association, 2007
eBooks
Khairul Azmi B. Hassan, author
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UI - Skripsi (Membership)
Newmark, Amy, author
PT Gramedia Pustaka Utama, 2023
Buku Teks
Wahyu Indrasto, author
Eksekutif Publishing, 2008
Buku Teks
Welvina Poulika T., author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Skripsi (Membership)