Ruth Colvin Clark
ASTD Press, 2010
Buku Teks
Clark, Ruth Colvin
VA ATD Press, 2015
Buku Teks
Rivera, Ray J.
American Society for Training & Development, 2007
eBooks
Bellman, Geoffrey M.
[American Society for Training and Development Press, American Society for Training and Development Press], 2000
eBooks
Fairbanks, Deborah M.
[American Society for Training and Development Press, American Society for Training and Development Press], 2000
eBooks