1
2
by Abd Malek Abd Aziz
Published 1991
3
Published 1997
4
Published 1993
5
by Fick, David S.
Published 2002
6
Published 1998
7
Published 1992
8
9
Published 2003
10
Published 2003
11
12
by Murray, Geoffrey, 1942-
Published 1998
13
Published 2000
14
Published 1990
15
Published 2001
16
by Tipton, Elise K.
Published 2002
17
Published 2002
18
by Ostergaard-Nielsen, Eva, 1969-
Published 2003
19
Published 2003
20
by Somchai Phatharathananunth
Published 2006