Dillman, Don A., author
John Wiley & Sons, 2000
Buku Teks
Nanang Sadikin, author
Fakultas Ilmu Komputer Universitas Indonesia, 2013
UI - Tugas Akhir
Flynn, Nancy, author
AMACOM, 2001
Buku Teks
Flynn, Nancy, author
Amacom, 2001
Buku Teks
Flynn, Nancy
AMACOM, 2001
Buku Referensi