Cooper, Robert K., author
Orion Business Books, 1997
Buku Teks
Savitri Ramadhani, author
Smart Books, 2006
Buku Teks
Lynn, Adele B., author
American Management Association, 2002
Buku Teks
Lynn, Adele B., author
American Management Association, 2002
eBooks
Lynn, Adele B., author
American Management Association, 2005
eBooks