Kaligis, O.C. (Otto Cornelis), 1942-, author
O.C. Kaligis & Associates, 2008
Buku Teks
Damayanti, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
UI - Tesis (Membership)
Satya Dharma Pardede, author
University of Indonesia, Faculty of Humanities, 2020
Artikel Jurnal
edited by Ronald J. Kendall
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Lutz, James M., author
Routledge, 2004
Buku Teks