Tsanga, Amy S.
International Commission of Jurists, 1994
Buku Teks
Buku Teks
edited by Jacqueline A. Kalley, Elna Schoeman, Marlene Burger
University of South Africa, 2005
Buku Teks
editor, Benny Harman, Anthony Hutapea
WALHI dan YLBHI, 1992
Buku Teks
The world bank,
Buku Teks