Broadwell, Martin M.
Addison-Wesley, 1975
Buku Teks
Scott, Graham, Gini, author
[American Management Association, ], 2007
eBooks
Flahault, D.
World Health Organization, 1988
Buku Teks
Tagliaferri, Louise E.
John Wiley & Sons, 1979
Buku Teks
Allan, Barbara, author
Facet Publishing, 2007
Buku Teks