Springer, 2012
eBooks
Jacobsen, Kathryn H.
Jones & Bartlett Learning, 2017
Buku Teks SO
Hulley, Stephen
Lippincott Williams & Wilkins, 2007
Buku Teks SO
World Health Organization
World Health Organization, 1993
Buku Teks SO
[edited] by Stephen B. Hulley, Steven R. Cummings with major contributions by Warren S. Browner, Thomas B. Newman, Norman Hearst
Williams and Wilkins, 1988
Buku Teks SO