Hartmanis, Juris
Society for Industrial and Applied Mathematics, 1989
eBooks
Rich, Elaine
Pearson Prentice hall, 2009
Buku Teks
edited by Martin Kutrib, Nelma Moreira and Rogerio Reis
Springer-Verlag, 2012
eBooks
Luo, Albert C.J.
Springer, 2012
eBooks
Universitas Indonesia, 2008
UI - Skripsi (Membership)