Academic Press, 2013
eBooks
Reed, Michael
California Academic Press, 1980
Buku Teks SO
Vries, Gerda de
Society for Industrial and Applied Mathematics, 2006
eBooks
Enger, Eldon D.
McGraw-Hill, 2003
Buku Referensi
Eldon D. Enger, Andrew H. Gibson, J. Richard Kormelink, Frederick C. Ross, Rodney J. Smith
W.C Brown, 1976
Buku Teks