Lev, Daniel S., author
LP3ES, 1990
Buku Teks
Universitas Indonesia, 1997
UI - Skripsi (Membership)
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Jaenal Aripin, author
Kencana Prenada Media Group, 2008
Buku Teks
Kaligis, O.C. (Otto Cornelis), 1942-, author
Alumni, 2007
Buku Teks