Chrisman, Nicholas
John Wiley & Sons, 1997
Buku Teks SO
Chang, Kang-Tsung, 1943-
McGraw-Hill, 2002
Buku Teks SO
Artikel Jurnal
California : GIST World, 1992,
Buku Referensi
Frida Aprilia Loinenak
Faculty of Engineering, Universitas Indonesia, 2015
Artikel Jurnal