Potter, W. James, author
Sage, 2005
Buku Teks
Glassey, Robert T., author
Society for Industrial and Applied Mathematics, 1996
eBooks
Busch-Armendariz, Noel Bridge, author
Sage, 2017
Buku Teks
Reed, Thomas, author
[American Society for Training & Development Press, American Society for Training & Development Press], 2003
eBooks
Webb, Jon, author
Facet Publishing, 2005
Buku Teks