Eliopoulos, Charlotte
Jones & Bartlett Learning, 2010
Buku Teks
Official publicaation of the SEAMEO regional tropical medicine and public health network (TROPMED) ,
Majalah, Jurnal, Buletin
Milburn, Michael P.
The Crossing Press, 2001
Buku Teks SO
Campion, Kitty
Bloomsbury, 1996
Buku Teks
Myers, Judy
Apha Books, 1999
Buku Teks SO