Ben-Chai, David, author
Sense, 2012
eBooks
Karpov, Yuriy V., author
Cambridge University Press, 2014
Buku Teks
Gianti Amanda, author
Fakultas Psikologi Universitas Indonesia, 2021
UI - Tesis (Membership)
Ralph Crouch
J. Wiley , 1965
Buku Teks
Hassid, Patricia
J. B. Lippincott , 1984
Buku Teks