Ochsner, Andreas, editor
Springer, 2012
eBooks
Srinivasan, A.V., 1936-, author
Cambridge University Press, 2001
Buku Teks
Vazirani, V.N., author
Khanna Publishers, 1979
Buku Teks
Smith, Bryan Stafford, author
John Wiley & Sons, 1991
Buku Teks
Wong, M. Bill, author
Elsevier , 2009
Buku Teks