Frieman, Barry B.
What teachers need to know about children at risk
McGraw-Hill, 2001
 Buku Teks SO
Managing information technology : what managers need to know
by E. Wainright Martin ... [and others]
Prentice-Hall, 1999
 Buku Teks SO
Stebben, Gregg
Everything you need to know about physics
Pocket Books, 1999
 Buku Referensi
Thinking about thinking: What educators need to know
edited by Jessie Ee
McGraw-Hill, 2004
 Buku Teks
Walsh, Myles E.
Understamding computers : what managaers and user need to know
John Wiley & Sons, 1981
 Buku Teks