Hopkins, Kenneth D., author
Allyn And Bacon, 1987
Buku Teks
Hodges, J. L., author
Holden-Day, 1964
Buku Teks
Shore, Jean Houston, author
American Society for Training & Development, 2009
eBooks
Spatz, Chris, author
Wadsworth and Cengage Learning, 2011
Buku Teks
Hodges, Joseph Lawson, author
Society for Industrial and Applied Mathematics, 2005
eBooks