M. Novita Widyawati, author
1998
UI - Skripsi (Membership)
Abifa Arif, author
Fakultas Psikologi Universitas Indonesia, 2012
UI - Skripsi (Open)
Sutarto Wijono, author
Kencana Prenada Media, 2010
Buku Teks
Kolb, David A., author
Prentice-Hall, 1984
Buku Teks
Landy, Frank J., author
The Dorsey Press, 1980
Buku Teks