Elva Fahrima, author
Fakultas Psikologi Universitas Indonesia, 2008
UI - Tesis (Membership)
Ericolas Chandra, author
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2016
UI - Skripsi (Membership)
Yessyca Diana Gabrielle, author
Fakultas Psikologi Universitas Indonesia, 1997
UI - Skripsi (Membership)
Yusriati
Balai Penelitian Aliran Kerohanian/Keagamaan Departemen Agama RI , 1994
Buku Teks
Muhkamad Suhudi, author
Mardi Kintoko, [date of publication not identified]
Buku Klasik