0035-001X
0035-001X
S0035-001X2020000600730
10.31349/revmexfis.66.730
Nigeria
00
12
2020
00
12
2020
66
6
730
741
[
2001
4th
]
[
2018
2014
020093
]
[
2020
135
289
]
[
2020
2220
140071
]
[
2017
26
1750028
]
[
2020
6
]
[
2015
90
035205
]
[
2013
22
050302
]
[
2018
965
012001
]
[
2019
2
100021
]
[
2020
59
2101
]
[
2015
2015
137038
]
[
2020
8
62
]
[
2019
134
321
]
[
2014
1
118
]
[
2015
10
1
]
[
2017
62
633
]
[
2012
21
1250016
]
[
2013
60
1
]
[
2015
75
462
]
[
2014
112
2608
]
[
2011
9
737
]
[
2013
68a
]
[
2013
2013
582610
]
[
2014
1629
235
]
[
1942
28
5
]
[
2013
22
060303
]
[
1997
63
935
]
[
2007
76
92
]
[
2016
5
5101
]
[
1935
3
61
]
[
2007
5
516
]
[
2015
89
289
]
[
2016
375
239
]
[
2019
65
333
]
[
2018
56
2538
]
[
2020
66
1
]
[
2014
4
173
]
[
2020
94
243
]
[
2018
9
1000261
]
[
2017
3
59
]
[
1988
]
[
2016
131
295
]
[
1976
14
2363
]
[
2014
9
497
]
[
2007
809
103
]
[
2020
58
989
]
[
2006
39
11521
]
[
2009
48
2633
]
[
2015
4
4301
]
[
2008
6
356
]
[
2009
39
307
]
[
2006
41
329
]