Published by Gramedia Pustaka Utama in cooperation with SPES Foundation, 1994
Buku Teks
Mohammad Soerjani
The Office of the Minister of State for Population and Environment , 1989
Buku Teks
Hawley, Amos H.
University of Chicago Press, 1986
Buku Teks
Program Pascasarjana Universitas Indonesia, 1994
Majalah, Jurnal, Buletin
Hawley, Amos H.
Ronald Press, 1950
Buku Teks SO