Miltiadis Lytras, John M. Carroll, Ernesto Damiani, Robert D. Tennyson
Springer-Verlag , 2008
Buku Teks
Institute of Southeast Asian Studies , 1996
Buku Teks
Institute of Southeast Asian Studies , 1995
Buku Teks
Syngress, 2015
eBooks
Abigail Cornelia Ayu
Fakultas Psikologi Universitas Indonesia, 2018
UI - Skripsi (Membership)