King, Martin Luther
Why we can't wait
Harper & Row, 1964
 Buku Teks SO
Duhigg, Charles
The power of habit: why we do what we do, and how to change
Heinemann, 2012
 Buku Teks SO
Hart, B.H. Liddell
Why don't we learn from history?
George Allen and Unwin, 1946
 Buku Teks SO
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
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