Wignyo Parasian, author
Universitas Indonesia, 2016
UI - Skripsi (Membership)
Dyah Ayu Puspita, author
2017
UI - Skripsi (Membership)
Ibnu Syamsi, author
Bina Aksara, 1989
Buku Teks
Situmorang, Happy, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Skripsi (Membership)
Mohamad Ichwan, author
Fakultas Psikologi Universitas Indonesia, 2012
UI - Skripsi (Open)