by Gary R. Bertoline ... [and others]
Irwin, 1995
Buku Teks SO
Bertoline, Gary R.
McGraw-Hill, 2003
Buku Teks SO
Lueptow, Richard M.
Prentice-Hall, 2001
Buku Teks SO
Bertoline, Gary R.
McGraw-Hill, 1998
Multimedia
by Arvid R. Eide ... [and others]
McGraw-Hill, 1985
Buku Teks SO