Muhammad Bahmansyah, author
2016
UI - Skripsi (Membership)
Hosack, Walter M., author
McGraw-Hill, 2010
Buku Teks
Edwards, Kenneth W., author
American Management Association, 2007
eBooks
Lenni Yusriaty, author
2018
UI - Tesis (Membership)
Stainback, John.
Wiley, 2000.
Buku Teks