Journal of Population, 13 (1) 2007 : 143-164, 2007
Artikel Jurnal
Gurning, Elizabeth Tioria, author
Badan Pengembangan Kebudayaan dan Pariwisata, 2003
Buku Teks
Afrital Rezki, author
2013
UI - Tesis (Membership)
Amuzegar, Jahangir
Praeger , 1966
Buku Teks
edited by Stephen R. Graubard
Angus and Robertson, 1985
Buku Teks