Report of the Director-General: on the activities of the organizations in 1973 / by Unisco
UNESCO, 1974
 Buku Teks
Suara siswa: teachers' handbook stages 3 dan 4 / Project director Walker, Carl
Education Department of South Australia, 1993
 Buku Teks
The World Bank and the environment: a progress report fiscal 1991
World Bank
World Bank, 1991
 Buku Teks
Johnston, Daniel
International petroleum fiscal system and production sharing contracts
Penwell Books, 1994
 Buku Teks
Annual report of the Librarian of congress for the fiscal year ending 30 September 1994
Library of Congress , 1995
 Buku Teks