Poole, Laura
McGraw Hil , 2013
Buku Teks
Falcone, Paul
American Society for Training & Development, 2005
eBooks
Evenson, Renee, 1951-
American Management Association, 2012
eBooks
Falcone, Paul
[American Management Association, ], 2012
eBooks
Roget, Peter Mark, 1779-1869
Longmans, Green and Co., 1953
Buku Referensi