Artikel Jurnal
Meilisa, author
Universitas Indonesia, 2013
UI - Tesis (Membership)
Spiegel, Murray R., author
McGraw-Hill , 1986
Buku Teks
Wong, Roderick, 1944- , author
Society for Industrial and Applied Mathematics, 2001
eBooks
Molinet, F., author
Institution of Engineering and Technology, 2008
eBooks