Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1995
UI - Skripsi Membership
Sweden : Forsakringskassan ( Swedish Social Insurance Agency ), 2006,
Majalah, Jurnal, Buletin
Sweezy, Alan
California The California Institute of Technology 1973
Buku Teks
KITLV Press, 1999
Buku Teks
Sukidjo Notoatmodjo
Rineka Cipta , 1998
Buku Teks