Pfund, Robert
Elsevier Limited, 2005
Multimedia
Suchowersky, Oksana, editor
Springer, 2012
eBooks
Saltman, Deborah
W.B. Saunders , 1987
Buku Teks
Brown, Marie Scott
J.B. Lippincott , 1984
Buku Teks
Leitman, Mark W., 1946-
Medical Economics Company , 1981
Buku Teks