Berg, Paul W.
Holden-Day, 1966
Buku Teks
Trim, Donald W.
PWS, 1990
Buku Teks
Ames, William F., author
Academic Press, 1977
Buku Teks
Stroock, Daniel W., author
Cambridge University Press, 2012
Buku Teks
Gockenbach, Mark S., author
American Management Association, 2011
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