Zaidan, George C., author
The John Hopkins University Press, 1971
Buku Teks
Nortman, Dorothy L., author
Population Council, 1978
Buku Teks
Ross, John A., author
Columbia University, 1989
Buku Teks
JHPIEGO, 1993
Buku Teks
Tietjen, Linda
Essential medical information systems, 1992
Buku Teks