Johnson, Julie K., author
Jones and Bartlett Publishers , 2016
Buku Teks SO
Younger, Sandra Millers, author
[American Society for Training and Development Press, American Society for Training and Development Press], 2006
eBooks
Williken, Mary Elizabeth, author
Mosby , 1985
Buku Teks SO
Saunders Elsevier, 2007
Buku Teks
Krompf, Warren M., author
American Society for Training & Development, 2007
eBooks