Johan Age, Lars, author
PT Gramedia Pustaka Utama, 2023
Buku Teks
Sarrah Hasyim Abdullah, author
Fakultas Psikologi Universitas Indonesia, 2015
UI - Skripsi (Membership)
Johnson, David W., 1940-, author
Prentice Hall Internasional, 1990
Buku Teks
Peck, M. Scott (Morgan Scott), 1936-2005, author
Rider, 2008
Buku Teks
Qamrul Hasan Ansari, Jen-Chih Yao, editor
Springer, 2012
eBooks