0187-6236
0187-6236
S0187-62362021000400417
10.20937/atm.52843
Nigeria
00
00
2021
00
00
2021
34
4
417
432
[
2017
10
10-7
]
[
2011
32
781-93
]
[
1929
2
156-66
]
[
2001
]
[
2014
27
305-15
]
[
2003
14
6-13
]
[
2007
46
878-89
]
[
1975
11
742-4
]
[
2014
115
281-95
]
[
2008
35
L20402
L20402
]
[
1999
38
474-80
]
[
1993
32
539-47
]
[
1997
7
753-69
]
[
1970
96
313-9
]
[
1998
124
1391-401
]
[
2006
139
171-81
]
[
2014
9
527-35
]
[
1992
336
]
[
1974
167-87
]
[
2009
114
D19116
]
[
1998
103
761-72
]
[
2018
135
1045-58
]
[
1991
]
[
1987
]
[
2013
52
1540-53
]
[
1969
74
5397-403
]
[
1981
17
295-304
]
[
2003
65
1107-16
]
[
2006
25
107-15
]
[
1999
19
211-26
]
[
1998
24
443-51
]
[
2007
143
49-63
]
[
1988
]
[
2010
99
115-23
]
[
2007
145
139-48
]
[
2001
58
1-18
]
[
2002
2nd
]
[
1997
]
[
2007
36
213-8
]
[
1976
336
]
[
1996
122
1127-51
]
[
1998
79
2101-14
]
[
2011
26
443-50
]
[
1995
194-204
]
[
2018
]
[
2019
5
]
[
1999
50
53-68
]
[
1972
11
349-56
]
[
1963
89
339-48
]