Freeman, R. Edward, author
Cambridge University Press, 2018
Buku Teks
Phillips, Robert, 1968-, author
Berrett-Koehler, 2003
Buku Teks
Nadia Anienditha, author
2017
UI - Skripsi (Membership)
Weiss, Joseph W., author
Berrett-Koehler, 2014
Buku Teks
Carroll, Archie B., author
Thomson , 2003
Buku Teks