2631-2654
2631-2654
S2631-26542019000200075
10.37135/unach.ns.001.04.08
Venezuela
Ecuador
Ecuador
00
11
2019
00
11
2019
2
2
75
83
[
2010
31
10
10
2813-8
]
[
2011
66
6
6
612-7
]
[
2012
178
3-4
3-4
261-8
]
[
2017
229
1-7
]
[
2015
155
196-200
]
[
2006
65
6
6
999-1006
]
[
2017
231
386-95
]
[
2017
2
3
3
1282-9
]
[
2002
459
151-9
]
[
2015
213
515-33
]
[
2014
16
3
3
128-38
]
[
2011
85
3
3
1575-84
]
[
2004
129
1082 - 1090
]
[
2016
48
203-13
]
[
2016
42
101-7
]
[
2005
152
1
1
47-51
]
[
2007
223302-8
]
[
2014
]
[
2009
164
2
2
1547-51
]
[
2018
10
4114-21
]
[
2010
80
891-9
]
[
2016
217
24-33
]
[
2015
5
4343-9
]
[
2006
154
1
1
95-100
]
[
2004
5
212-7
]