Richman, Larry
American Management Association, 2006
eBooks
Hajek, Victor G.
Erlangga, 1988
Buku Teks
Lubis, Fikri Ramadhan
Fakultas Teknik Universitas Indonesia, 2018
UI - Tesis (Membership)
Hackos, JoAnn T.
John Wiley & Sons, 1994
Buku Referensi
Clark, Gordon
Sage, 2003
Buku Teks