1815-5936
1815-5936
S1815-59362020000100010
Ecuador
Ecuador
Mexico
00
04
2020
00
04
2020
41
1
[
2017
]
[
2009
193
2
2
425-36
]
[
2017
26
3
3
409-25
]
[
1999
]
[
1973
]
[
2018
109
109
9-22
]
[
2018
1
1
]
[
2015
]
[
2017
8
3
3
]
[
2017
]
[
2017
26
3
3
409-25
]
[
2008
]
[
2009
27
1
1
78-93
]
[
2018
56
1-2
1-2
120-39
]
[
2010
203
3
3
539-49
]
[
1996
28
2
2
149-54
]
[
2017
26
3
3
409-25
]
[
1984
11
1
1
13-8
]
[
1974
21
2
2
319-26
]
[
1998
108
1
1
16-25
]
[
1980
12
4
4
317-22
]
[
1982
14
1
1
19-26
]
[
1992
58
58
14-36
]
[
1984
22
5
5
809-21
]
[
2002
43
3/4
3/4
83
]
[
1988
13
4
4
273-83
]
[
2004
34
4
4
303-13
]
[
MIPRO
2017
]
[
SENPLADES
2017
]
[
2018
]
[
2018
]
[
2004
]
[
2004
]