Zhuo, Julie, author
Penguin, 2019
Buku Teks
Straub, Joseph T., author
American Management Association, 2000
eBooks
American Management Association, 1953
Buku Teks
Estep, Tora, author
American Society for Training & Development, 2006
eBooks
Blake, Robert R., author
Dow Jones-Irwin, 1980
Buku Teks