Audya Medina, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Tesis (Membership)
Arin Fadhila, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
UI - Skripsi (Membership)
Kane, Laura Townsend, author
American Library association, 2003
eBooks
Bennet, C.L.
New York, American Management Ass.,
Buku Teks
Lukmanul Hakim, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Tesis (Membership)