1
2
Published 2007
3
by Huggins-Cooper, Lynn
Published 2005
4
by Samara, Timothy
Published 2008
5
by Mohd Azam Nair
Published 2004
6
by Pal, Subrata
Published 2005
7
by Abdul Razak Abdullah
Published 2007
8
9
10
11
by Kamkwamba, William
Published 2009
12
13
14
15
by Drucker, F. Peter
Published 2001
16
17
by SMSI
Published 2008
18
19
by Henry Gray F.R.S.,
Published 2007
20