Barnard, Chris, author
Pearson Prentice Hall, 2007
Buku Teks
Boss, Suzie, author
ISTE (International Society for technology in education), 2007
Buku Teks
International, 1995
Buku Teks
Cagle, Ronald B., author
[American Management Association, ], 2003
eBooks
Benny Rhamdani, editor
Cinta, 2006
Buku Teks