2528-7907
2528-7907
S2528-79072019000400064
Ecuador
Ecuador
Ecuador
Ecuador
00
06
2019
00
06
2019
1
31
64
71
[
2012
]
[
2012
82
]
[
2001
]
[
2013
]
[
2008
86
4
4
82-90
]
[
2009
]
[
2009
5
]
[
1982
]
[
1999
]
[
2006
]
[
1992
]
[
2010
]
[
2001
]
[
1975
]
[
2005
]
[
2006
]
[
1998
]
[
2005
Novena Edición
]
[
2005
]
[
2002
]
[
2009
]
[
2007
7
]
[
2000
]
[
2008
]
[
2012
18
]