Rogers, Wayne, author
Amacom, 2011
Buku Teks
Rogers, Wayne, 1933- , author
[American Management Association, ], 2011
eBooks
Linsenman, Ciree, author
Ep. Entrepreneur Press, 2011
Buku Teks
Charlene Davis
Entrepreneur Press, 2012
Buku Teks
Entrepreneur Press, Ciree Linsenman
Entepreneur Press, 2011
Buku Teks