Rosen, Hugh, author
Colombia University Press, 1980
Buku Teks
Juma, Calestous, author
UN Millenium Project, 2005
Buku Teks
Newman, Amy, author
[American Society for Training & Development Press, American Society for Training & Development Press], 1999
eBooks
Chinn, Peggy L. (Peggy Lois), 1941-, author
Mosby , 2008
Buku Teks
Chinn, Peggy L. (Peggy Lois), 1941-, author
Elsevier , 2015
Buku Teks