The World Bank, [date of publication not identified]
Buku Teks
editor A. Patra M. Zen
YLBHI dan IALDF, 2009
Buku Teks
Piskurich, George M., author
[American Society for Training & Development Press;American Society for Training & Development Press, American Society for Training & Development Press], 2003
eBooks
Murdock, George Peter, author
McGraw-Hill, 1959
Buku Teks
Murdock, George Peter, author
McGraw-Hill, 1959
Buku Teks