0212-9728
0212-9728
S0212-97282019000300018
10.6018/analesps.35.3.354941
Spain
Spain
00
00
2019
00
00
2019
35
3
506
513
[
2010
24
3-17
]
[
2007
22
615-29
]
[
1996
2
1-8
]
[
2003
3
135-50
]
[
1999
6
45-55
]
[
2000
86
219-20
]
[
2000
13
53-64
]
[
2006
40
1223-33
]
[
2007
22
466-71
]
[
2009
87
159-69
]
[
2003
35
1883-92
]
[
2013
89
328-33
]
[
2014
3
246-53
]
[
1990
5
]
[
2011
]
[
2006
256
464-75
]
[
1990
58
95
]
[
2014
10
20
]
[
2018
7
845-57
]
[
2013
17
898-907
]
[
2000
Research metodology
Research metodology
]
[
2004
82
80-91
]
[
2001
]
[
2012
15
373-7
]
[
2007
10
458-67
]
[
2014
21
227-54
]
[
1999
]
[
2006
89-107
]
[
2014
17
147-52
]
[
2004
17
490-508
]
[
2007
28
111-36
]
[
2016
5
351-6
]
[
1968
19
16-20
]
[
1996
1
70-84
]
[
2007
]
[
1965
]
[
2001
11
69-90
]
[
2000
12
509-13
]
[
2009
43
320-48
]
[
1997
50
287-314
]
[
]
[
1998
22
372-90
]
[
2017
25
503-11
]
[
2006
10
295-319
]
[
1995
18
663-8
]
[
2014
53
157-77
]
[
2013
25
100-6
]
[
2007
45
53-67
]
[
2010
53
75-98
]
[
2013
3
87-97
]
[
2013
35
547-68
]
[
2017
12
]
[
2016
5
90-9
]