2550-6722
2550-6722
S2550-67222017000100047
Ecuador
Ecuador
00
08
2017
00
08
2017
2
47
60
[
2012
]
[
2004
]
[
2007
7a. ed
]
[
2007
12
1
1
91-104
]
[
2001
1
1
11-28
]
[
CICAY
1991
]
[
2012
4
4
55-8
]
[
2006
12
12
180-205
]
[
2004
344
]
[
1988
]
[
2005
]
[
2006
]
[
2006
]
[
1986
]
[
1997
]
[
2000
]
[
2013
]
[
2000
331-50
]
[
1999
23
8
8
108-22
]
[
2013
]
[
2006
]
[
2012
2a. ed
]
[
2010
26
1
1
1-14
]
[
2006
Edición especial
18-9
]
[
1981
]
[
2009
188
]
[
1970
]
[
2012
149
]