1870-199X
1870-199X
S1870-199X2021000400319
10.22201/fo.1870199xp.2021.25.4.84035
Ecuador
Ecuador
Ecuador
00
12
2021
00
12
2021
25
4
319
327
[
2008
]
[
2006
4
1-8
]
[
2013
2
]
[
2005
10
5-6
5-6
561-6
]
[
2005
22-32
]
[
2016
1
2
2
67-72
]
[
2001
6.2-6.32
]
[
2008
21
1
1
132-9
]
[
2015
]
[
2014
4
^s1
^s1
1
2-33
]
[
2016
]
[
2002
24
1
1
6-10
]
[
1987
18
3
3
233-7
]
[
2017
4
2
2
1-15
]
[
2006
51
4
4
324-7
]
[
2011
13
42
42
224-8
]
[
2013
]
[
2014
]
[
2006
16
1
1
26-32
]