1688-7468
1688-7468
S1688-74682019000200023
10.22235/pe.v12i2.1834
Spain
00
12
2019
00
12
2019
12
2
23
42
[
2009
pp. 71-90
]
[
2010
192
66-8
]
[
2013
]
[
2006
29
473-98
]
[
2014
]
[
2016
]
[
1996
]
[
1924
]
[
1985
]
[
2003
5
2
2
1-13
]
[
2006
]
[
2011
]
[
1983
]
[
2011
0
64-70
]
[
2008
]
[
2010
]
[
2012
]
[
2008
59
4
4
627-40
]
[
2016
32
2
2
535-52
]
[
2011
]
[
2013
2
2
2
13-32
]
[
2012
]
[
2009
]
[
2015
]
[
2007
]
[
2006
357
60-3
]
[
2014
25
1
1
95-113
]
[
2007
pp. 91-105
]
[
2015
1
19
19
111-26
]
[
2012
359
24-44
]
[
2005
]
[
2011
26
137-64
]