edited by Hamish Main and Stephen Why Williams
[Publisher not identified], 1994
Buku Teks
edited by Hamish Main and Stephen Wyn Williams
J. Wiley, 1994
Buku Teks
World Bank , 1982
Buku Teks
The World Bank Group, 2000
Buku Referensi
World Bank
World Bank, 1998
Buku Teks