Yudhi Irdiansyah, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012
UI - Tesis (Open)
Blanchard, Kenneth H., author
Fontana , 1983
Buku Teks
Moriaki, Tsuchiya
LTCB International Library Foundation, 1997
Buku Teks
Stein, Guido, author
Emerald, 2018
eBooks
Goleman, Daniel, author
Harvard Business School press, 2001
Buku Teks