1
by gagne, Robert M.
Published 1959
2
by Mohd Ismail Mustari
Published 2005
3
by Jacobbi, Paola.
Published 2006
4
by Rozman Hj.Din
Published 2000
5
6
by Kaila, H L Dr.
Published 2010
7
by Sargent, W. E.
Published 1971
8
by Hennezel, Marie de.
Published 2012
9
by Goh, Bee Chen
Published 1996
10
by Pearlstein, Richard M, 1953-
Published 1991
11
by Jensen, Gordon D.
Published 1992
12
Published 1990
13
14
by Pak, Jenny Hyun Chung.
Published 2006
15
16
by Goh, Bee Chen
Published 1996
17
18
by Achebe, Chinwe
Published 1986
19
by Rusk, Tom
Published 1990
20
Published 1995