Charan, Ashok, author
World Scientific, 2015
Buku Teks
John Dill, editor
Springer, 2012
eBooks
Clifton, Brian, author
Wiley Publishing, Inc., 2008
Buku Teks
Surma, Jerzy, author
Businessexpert Press, 2011
Buku Teks
Runkler, Thomas A., author
Springer, 2012
eBooks