1
Published 1992
2
Published 1990
3
Published 1996
4
by Okposin, Samuel Bassey
Published 2003
5
6
7
by Kris Jitab
Published 1991
8
Published 1963
9
Published 1991
10
Published 2001
11
Published 1989
12
Published 1991
13
Published 1996
14
Published 1996
15
16
Published 1993
17
Published 1995
18
by Mohamed Noordin Sopiee
Published 1987
19
by Okposin, Samuel Bassey
Published 2003
20