Gollery, Martin
Chapman & Hall/CRC, 2008
Multimedia
Fraser, Andrew M., author
Society for Industrial and Applied Mathematics, 2008
eBooks
Riordan, Rick, author
Mizan Publika, 2017
Buku Teks
Artikel Jurnal
Verschuur, Gerrit L., author
Oxford University Press, 1993
Buku Teks