edited by Sandy Dolnick
American Library Association , 1990
Buku Teks
Artikel Jurnal
Darwis (Tere Liye), 1979-, author
Gramedia Pustaka Utama, 2017
Buku Teks
Dongen, M.R.C. van, author
Springer-Verlag, 2012
eBooks
Departemen of Comunication & Indormation Technology,
Majalah, Jurnal, Buletin