Porche, Demetrius James, author
Jones and Bartlett Learning, 2012
Buku Teks
Johnson, James A., author
Delmar Cengage Learning, 2013
Buku Teks
Health Administration Press, 1981
Buku Teks
Dewar, Diane M., author
Jones & Bartlett Learning, 2010
Buku Teks
Cohen, Larry, author
Oxford University Press, 2016
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