Porter-O`Grady, Tim, author
Mosby Elsevier, 2011
Buku Teks
Hughes, Mark, author
Chartered Institute of Personnel and Development, 2010
Buku Teks
edited by Snehendu B. Kar, Rina Alcalay
Sage, 2000
Buku Teks
Fallon, L. Fleming, author
Jones & Bartlett Learning, 2013
Buku Teks
Fallon, L. Fleming, author
Jones & Bartlett Learning, 2013
Buku Teks