Cars plus
Era Media Informasi, 2009
 Majalah, Jurnal, Buletin
Nasution, Astri D. J.
Aljabar Max-plus
Universitas Indonesia, 2004
 UI - Skripsi Membership
Darmawan
Side kick plus
Solid Pro, 1991
 Buku Teks
Venables, W.N.
Modern applied statistics with S-plus
Springer-Verlag, 1994
 Buku Teks
Waite, Mitchell
Unix primer plus
Prentice-Hall, 1988
 Buku Teks