Stella Margareth Akerina, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
UI - Tugas Akhir
Fabian Danandjaya Puspadewa, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Tesis (Membership)
Breithaupt, Tim, author
[American Management Association, ], 2003
eBooks
Keeley, Joseph C., author
McGraw-Hill Book Company, Inc. , 1950
Buku Teks
Farber, Barry J., author
Entrepreneur Press, 2013
Buku Teks