Albert Widjaja, author
LP3ES, 1988
Buku Teks
Institute for development of economics and finance (INDEF),
Majalah, Jurnal, Buletin
Soemitro Djojohadikusumo, author
LP3ES, 1994
Buku Teks
Kantor Menteri Negara Lingkungan Hidup, 1995
Buku Teks
Centre for Strategic and International Studies, 1996
Majalah, Jurnal, Buletin