Merrill, Ray M.
Jones & Bartlett Learning, 2016
Buku Teks
Grundy, F.
World Health Organization , 1973
Buku Teks
Jacobsen, Kathryn H.
Jones & Bartlett Learning, 2017
Buku Teks
Savitz, David A.
Oxford University Press, 2016
eBooks
Friis, Robert H.
Jones and Bartlett Publishers , 2014
Buku Teks