Haag, Stephen, author
McGraw-Hill, 2004
Buku Teks
Haag, Stephen, author
Irwin McGraw-Hill, 1998
Buku Referensi
Haag, Stephen, author
McGraw-Hill, 2009
Buku Teks
Franky, author
Fakultas Ilmu Komputer Universitas Indonesia, 2005
UI - Tugas Akhir
Jakarta Ministry of health 1992 , 1992
Buku Teks