Chris Soebroto
Indonesia ok!! : the guide with a gentle twist
Galang Press, 2004
Buku Teks
Pattis, Richard E.
Karel the robot : a gentle introduction to the art of programming
John Wiley & Sons, 1981
Buku Teks
Ratner, Mark
Nanotechnology: a gentle introduction to the next big idea
Prentice-Hall, 2008
Buku Teks
Halbeisen, Lorenz J.
Combinatorial set theory : with a gentle introduction to forcing
[Springer, ], 2012
eBooks
Smyth, Angela
Gentle medicine : an A-Z of natural remedies for common ailments
Thorsons, 1994
Buku Referensi