Lembaga Penelitian Universitas Indonesia, 2002
UI - Laporan Penelitian
Enos Henok Rumansara, author
1995
UI - Tesis (Membership)
Hayon G. Nico, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1995
UI - Tesis (Membership)
Bambang Rismuryanto, author
Universitas Indonesia, 1995
UI - Tesis (Membership)
Gray, Ann, author
Sage Publications, 2003
Buku Teks