Academic Press, 2013
eBooks
Mikula, Jim, author
American Society for Training and Development Press;, 2004
eBooks
edited by by Thomas C. Grubb
Burgess, 1975
Buku Teks
Cooper, B. T., author
Binarupa Aksara, 1989
Buku Teks
edited by Bertil Malmberg
North-Holland, 1968
Buku Teks