1
by Smith
Published 2000
2
by Nyman
Published 2006
3
by Anggraeni
Published 2006
4
5
by Assyaukanie
Published 2009
6
by Pribadi
Published 1999
7
by Mann
Published 2000
8
Published 1999
9
by Siregar
10
Published 1999
11
by Barton
Published 2005
12
Published 1989
13
14
Published 2020
15
by Suryadinata, Leo.
Published 2002
16
Published 2002
17
Published 2004
18
Published 1984
19
Published 1984