Sajoo, Amyn B.
Institut of Southeast Asian Studies, 1994
Buku Teks
Blalock, Hubert M., author
Prentice-Hall, 1982
Buku Teks
Brune, Lester H
Buku Teks
Markus, Andrew, author
Hale & Iremonger, 1979
Buku Teks
Rosa Diniari, author
2014
UI - Laporan Penelitian