Pfund, Robert
Elsevier, 2005
Multimedia
Suchowersky, Oksana
Springer, 2012
eBooks
by Gavin Andrews ... [and others]
Cambridge University Press, 2002
Buku Referensi
Leitman, Mark W., 1946-
Medical Economics Company , 1981
Buku Teks SO
Saltman, Deborah
W.B. Saunders , 1987
Buku Teks SO