Haneberg, Lisa, author
American Society for Training & Development, 2007
eBooks
Selk, Jason, author
McGraw-Hill, 2012
Buku Teks
Straub, Joseph T., author
American Management Association, 2000
eBooks
Black, James Menzies, author
Sumur Bandung, 1962
Buku Teks
Reilly, Edward T., author
American Management Association, 2013
eBooks