1870-249X
1870-249X
S1870-249X2018000200295
10.29356/jmcs.v62i2.367
Mexico
Ecuador
Ecuador
Spain
00
06
2018
00
06
2018
62
2
295
304
[
2006
139
32-9
]
[
2007
115
1474-8
]
[
2013
27
700-7
]
[
2002
99
5476-80
]
[
2008
42
7064-8
]
[
2011
62
191-203
]
[
2011
161
214-20
]
[
1991
10
335-45
]
[
2001
26
483-95
]
[
2007
115
720-7
]
[
2009
98
664-9
]
[
2011
5
1048-56
]
[
2011
45
2124-30
]
[
2012
46
2885-92
]
[
2009
109
6570-631
]
[
2014
21
8336-67
]
[
2005
39
7234-9
]
[
2017
125
91-103
]
[
2006
137
565-72
]
[
2010
114
6613-21
]
[
2015
146
4-8
]
[
2012
10
165-70
]
[
2011
185
1499-507
]
[
2009
27
371-9
]
[
2010
]
[
2011
2
401-6
]
[
2014
97
26-33
]
[
1994
39
1857-62
]
[
2003
150
]
[
2009
87
105-45
]
[
2016
206
307-16
]
[
2017
1-35
]
[
2010
114
6613-21
]
[
2015
603-43
]
[
2005
50
3685-92
]