Zaleznik, A.
Boston, Mass, Graduate School of Business Administration Harvard University
Buku Teks
Millbower, Lenn, author
American Society for Training and Development Press, 2004
eBooks
Rothwell, William J., 1951-, author
American Society for Training & Development, 2010
eBooks
Tickner, Fred
State University of New York , 1966
Buku Teks
Bucher, Charles Augustus, 1912-, author
McGraw-Hill, 2002
Buku Teks