Lambert, Brian
American Society for Training & Development, 2010
eBooks
Azar, Brian
[American Management Association, ], 2004
eBooks
Voe, Merrill De
Prentice-Hall, 1957
Buku Teks
Firmanzah
Salemba Empat, 2009
Buku Teks
Stone, Bob
Prentice-Hall, 1986
Buku Teks