by Kathleen Garver Mastrian ... [et al.]
Jones and Bartlett, 2011
Buku Teks
Harvard Business School Press, 1992
Buku Teks
K. G. Saur, 1986
Buku Referensi
Thompson, James D., author
McGraw-Hill, 1967
Buku Teks
Sheldon, Lee H., author
Course Technology, 2004
Buku Teks