Cherry, Paul, author
American Management Association, 2006
eBooks
Dicky Ghozali, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Tesis (Membership)
Schmitt, Bernd., author
Wiley, 2003
Buku Teks
Metz, Adam, 1991-, author
McGraw-Hill, 2012
Buku Teks
Nadya Dias Fadhila, author
2018
UI - Skripsi (Membership)