0212-9728
0212-9728
S0212-97282020000200013
10.6018/analesps.36.2.335431
Spain
Spain
00
09
2020
00
09
2020
36
2
304
312
[
1989
30
2
2
221-7
]
[
2001
15
1
1
12-22
]
[
2002
20
2
2
385-409
]
[
2004
]
[
2009
10
2
2
172-84
]
[
2006
30
1
1
25-35
]
[
2004
41
3
3
329-41
]
[
2010
26
887-92
]
[
2010
246
223-42
]
[
1980
13
4
4
321-41
]
[
2002
183
3
3
251-5
]
[
1998
315
67-84
]
[
2010
29
2
2
111-24
]
[
2009
31
7
7
634-41
]
[
ENQA
2005
41
]
[
1996
65
41-50
]
[
2007
13
2
2
203-14
]
[
2011
13
113-31
]
[
2008
]
[
1997
49
4
4
361-91
]
[
2008
66
241
241
425-45
]
[
2012
31
2
2
201-15
]
[
1997
52
11
11
1209
]
[
1982
143
1
1
29-36
]
[
2001
49
1
1
26-31
]
[
1980
10
1043-69
]
[
2013
17
1
1
10-8
]
[
2016
42
3
3
483-506
]
[
1950
13
13
]
[
2010
29
3
3
307-18
]
[
2019
385
91-117
]
[
1993
30
1
1
217-51
]
[
1987
11
3
3
253-388
]
[
1993
64
1-18
]
[
2006
9
1
1
183-98
]
[
2010
]
[
2013
4
10
10
289-98
]
[
2014
17
2
2
83-104
]
[
2004
]
[
2008
]
[
2004
12
1
1
39-52
]
[
2011
69
248
248
145-63
]
[
2017
12
1
1
50
]
[
2013
13
128
128
1-7
]
[
2008
6
1
1
115-33
]
[
2003
21
1
1
157-82
]
[
1988
20
73-134
]
[
1988
20
73-134
]
[
1989
41
4
4
735-56
]
[
2019
35
3
3
464-71
]
[
1964
]
[
1993
]
[
1995
64
1
1
64-8
]
[
2014
70
670-86
]