Megginson, William L, Mary Jane Byrd, Charles R. Scott, Leon C. Megginson
Irwin, 1997
Buku Referensi
Fery Antony, author
Fakultas Ilmu Komputer Universitas Indonesia, 2015
UI - Tesis (Membership)
Artikel Jurnal
Phillips, Jack J., author
Butterworth-Heinemann, 2002
Buku Teks
Artikel Jurnal