Goss, David
Taylor and Francis, 1995
Buku Teks
Nick G. Dharmaputra, author
Center for health research University of Indonesia, 1997
Buku Teks
White, Edith, author
McFarlan, 1991
Buku Teks
Carole A. Campbell, author
Cambridge University Press, 1999
eBooks
Goss, David
Routledge, 1991
Buku Teks