Devaney, Robert L.
Addison-Wesley, 1990
Buku Teks
Piliang, Yasraf Amir
Mizan, 2001
Buku Teks
Field, Michael
Society for Industrial and Applied Mathematics, 2009
eBooks
Banerjee, Santo, editor
Springer, 2012
eBooks
Titcomb, T. J.
[American Society for Training and Development Press, American Society for Training and Development Press], 1998
eBooks