1
Published 2011
2
by Li, Xin Ru
Published 2010
3
Published 2011
4
5
6
by Wong, Sunny
Published 2011
7
8
Published 2006
9
Published 2006
10
Published 2006
11
Published 2011
12
by Zhang, Bo
Published 2012
13
by Lin, Wan Mei
Published 2008
14
Published 2010
15
Published 2014
16
by Cai, Jia Min
Published 2014
17
18
by Lee, Kuan Yew, 1923-
Published 1998
19
20
by Wang, Jie Nan
Published 2005