Hickman, E. Stewart, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2000
eBooks
Levesque, Joseph D., author
Prentice-Hall, 1996
Buku Referensi
American Management Association , 1986
Buku Teks
Falcone, Paul, author
[American Management Association;, ], 2002
eBooks
Budhu, Muni, author
John Wiley & Sons, 2008
Buku Teks