1
by Bailey, S. H.
Published 2001
2
Published 1960
3
by Rafiah Salim
Published 1989
4
by Pointon, Leo D.
Published 1993
5
by Cheong, May Fong.
Published 2010
6
by Smith, J. C
Published 1961
7
by Jayakumar, S
Published 1974
8
by Janis, Mark W.
Published 1995
9
by Heathcock, Claude L.
Published 1963
10
by Kommers, Donald P.
Published 1989
11
12
by Sweeney, Joseph Modeste
Published 1988
13
by Stephens, Otis H., Jr.
Published 2003
14
by Janis, Mark W.
Published 1995
15
Published 2002