2528-7907
2528-7907
S2528-79072018000400006
Ecuador
Ecuador
Ecuador
Ecuador
00
12
2018
00
12
2018
1
28
6
15
[
2011
]
[
2011
]
[
1999
]
[
1987
]
[
2015
21
13-30
]
[
2006
]
[
2007
147-61
]
[
2001
67-83
]
[
2012
Décima edición
]
[
INEN
2017
]
[
2013
]
[
1996
]
[
2016
]
[
2013
]
[
2004
25
54-66
]
[
2003
]
[
2003
66
66
]
[
2013
]
[
2007
b
14
9
9
1¬17
]
[
2000
6-7
]
[
2002
]
[
2002
]
[
1983
]
[
2017
]
[
2005
]