0121-5051
0121-5051
S0121-50512018000300009
10.15446/innovar.v28n69.71693
Spain
Spain
Spain
00
09
2018
00
09
2018
28
69
9
24
[
2008
35
2
2
121-32
]
[
2012
383
43-52
]
[
2013
56
6
6
]
[
2013
26
2
2
290-317
]
[
2013
]
[
2012
106-17
]
[
2016
]
[
2003
]
[
2008
21
1
1
1-21
]
[
1994
9
5
5
371-95
]
[
1991
]
[
2010
2
326-32
]
[
2016
9
1
1
69-80
]
[
2000
12
1
1
1-23
]
[
2004
8
1
1
22-38
]
[
2011
16
2
2
251-68
]
[
2016
12
1
1
95-120
]
[
2012
]
[
1985
10
4
4
696-706
]
[
1989
14
1
1
27-38
]
[
1999
14
2
2
215-32
]
[
2008
1-29
]
[
2003
21
1
1
51-61
]
[
2004
29
3-4
3-4
247-68
]
[
2005
]
[
2005
26
12
12
1173-81
]
[
2014
42
3
3
437-44
]
[
2010
34
3
3
491-516
]
[
2006
37
1
1
92-110
]
[
2003
]
[
2015
9
1
1
30-40
]
[
2013
26
1
1
61-76
]
[
2010
16
2
2
92-111
]
[
2013
]
[
2005
15
26
26
73-89
]
[
2015
34
^sSPE66
^sSPE66
SPE66
605-28
]
[
2014
27
2
2
284-315
]
[
2013
]
[
2012
13
54-72
]
[
2006
62
172-99
]
[
1836
]
[
1971
]
[
2008
35
2
2
195-214
]
[
1999
45
5
5
621-32
]
[
2015
53
1
1
266-83
]
[
2006
62
124-49
]
[
2007
28
1
1
84-101
]
[
2016
42
1
1
299-344
]
[
2007
13
3
3
183-98
]
[
2011
3021
53-62
]
[
1999
8
11-36
]
[
2011
34
8
8
910-26
]