Tim Penelitian dan Pengembangan Wahana Komputer
Andi, 1996
Buku Teks
Depkes. RI, 2004
Buku Teks
Brace, Nicola, author
Palgrave Macmillan, 2018
Buku Teks
Field, Andy P, author
Sage Publications, 2018
Buku Teks
Wagner, William E., author
Pine Forge Press, 2007
Buku Teks