1
Published 1991
2
by Sit, Norma
Published 2010
3
by Downes, John.
Published 1985
4
by Fan, Yu
Published 2005
5
by Ruan, Mu Hua
Published 2012
6
7
8
Published 1980
9
Published 2000
10
by Chun Yang
Published 2006
11
Published 1988
12
by Mohd. Asri Ahmad
Published 2014
13
by Price, Deborah
Published 2000
14
15
by Chilver, Joseph.
Published 1982
16
by Winfield, R.G.
Published 1994
17
18
by Bernstein, Peter L.
Published 2007
19
by Arshad Khan
Published 1999
20