Kalalo, Nicholas Patra , author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2010
UI - Tesis (Open)
Budi Setiawan, author
Management Research Center (MRC) Department of Management, Faculty of Economics, University of Indonesia and Philip Kotler Center, 2014
Artikel Jurnal
Rangkuti, Freddy, author
Gramedia, 2002
Buku Teks
Nurul Afiifah Ghifari, aurthor
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Skripsi (Membership)
Sihotang, Moma Yuni Anty, author
2017
UI - Skripsi (Membership)