edited by Oon-Seng Tan
Cengage Learning, 2009
Buku Teks
edited by Peter A.J. Bouhuijs, H.G. Schmidt, H.J.M. van Berkel
Network Publications, 1993
Buku Teks
Amador, Jose A., author
Anker Publishing, 2006
Buku Teks
Angga Baskoro, author
Fakultas Ilmu Komputer Universitas Indonesia, 2004
UI - Skripsi (Membership)
Arbab, Farzam
International Development Research Centre , 1984
Buku Teks