The new book of popular science : volume 4 Plant life animal life
New York : Grolier,1982,
 Buku Referensi
Gribbin, John
Almost everyone?s guide to science : the universe, life, and everything
Yale University Press, 1999
 Buku Referensi
Ratzan, Lee
Understanding information systems: what they do and why we need them
American Library Association, 2004
 eBooks
Ratzan, Lee
Understanding information systems: what they do and why we need them
American Library Association, 2004
 Buku Teks SO
Ratzan, Lee
Understanding information systems: what they do and why we need them
American Library Association, 2004
 eBooks