2550-6722
2550-6722
S2550-67222019000100016
Ecuador
Ecuador
00
04
2019
00
04
2019
7
16
24
[
2006
13
1
1
69-91
]
[
1953
55
1
1
5-16
]
[
1962
28
2
2
217-25
]
[
1990
1
1
41-54
]
[
2009
]
[
1987
28
4
4
501-38
]
[
2000
29
29
39-60
]
[
1997
5
4
4
]
[
2006
35
35
1-13
]
[
2002
]
[
2003
13
1
1
155-70
]
[
2001
]
[
1988
23
1
1
133-63
]
[
2011
]
[
1975
]
[
1990
]
[
2000
63
1
1
2-8
]
[
2006
]
[
1994
]
[
1993
]
[
1980
21
6
6
709-26
]
[
1975
]
[
2002
8
8
61-91
]
[
2001
]
[
2007
Tercera edición
]
[
1998
54
4
4
]
[
1987
]
[
1958
]
[
1995
97
4
4
683-94
]
[
2000
78
78
75-90
]
[
2005
]
[
1958
]