0187-5779
0187-5779
S0187-57792020000100181
10.28940/terra.v38i1.667
Ecuador
Mexico
00
03
2020
00
03
2020
38
1
181
196
[
2017
16
54-65
]
[
2002
1325
8
]
[
1984
]
[
1997
86
86-9
]
[
2015
20
1228-43
]
[
2009
31
101-5
]
[
2011
74
9-32
]
[
2010
99
231-42
]
[
2005
32
87-90
]
[
2008
25
74-100
]
[
1998
50
35-8
]
[
1962
2
176-7
]
[
2009
]
[
2017
106
18-26
]
[
2018
67-91
]
[
2018
10
120‑136
]
[
2019
]
[
2019
108
43-53
]
[
2003
622
11-2
]
[
2004
73
3-7
]
[
2009
1
1-25
]
[
2012
30
51-7
]
[
2017
10
18-24
]
[
2013
5
11-4
]
[
2014
32
267-72
]
[
2017
35
53-38
]
[
2007
]
[
2006
5
4-7
]
[
2001
70
110-6
]
[
2018
5
52-6
]
[
SSA
2015
]
[
2007
]