Population Institute East-West Center, 1987
Majalah, Jurnal, Buletin
Population Institute, 1987
Majalah, Jurnal, Buletin
ESCAP, 1982
Majalah, Jurnal, Buletin
Reference Center, 1982
Majalah, Jurnal, Buletin
American Association for the Advancement of Science, 1975
Buku Teks