2215-3470
2215-3470
S2215-34702021000200237
10.15359/ru.35-2.16
Spain
Spain
Spain
Colombia
00
12
2021
00
12
2021
35
2
237
252
[
1996
]
[
2008
]
[
2004
2
135-42
]
[
2015
46
5
5
511-58
]
[
2011
]
[
2015
211-20
]
[
2007
1
2
2
67-78
]
[
2016
209-18
]
[
2016
Third edition
191-218
]
[
2008
40
1
1
3-22
]
[
2018
22
1
1
429-55
]
[
1999
Grades 6-10
]
[
2007
16
221-62
]
[
2008
]
[
2000
]
[
2008
19-55
]
[
2004
18
1
1
139-51
]
[
1996
65-86
]
[
2013
2
1
1
24-40
]
[
2006
]
[
2011
29
1
1
75-88
]
[
2018
36
3
3
59-78
]
[
2009
21
2
2
]
[
2017
a
4
49-56
]
[
2017
b
472-9
]
[
1945
]
[
1966
]
[
1997
28
81-96
]
[
2010
4
2
2
37-62
]
[
2018
]
[
1994
4
21-44
]
[
2018
574-83
]
[
2019
573-82
]
[
2014
]
[
2015
9
3
3
193-215
]
[
2005
6
2
2
150-62
]
[
2013
7
2
2
75-84
]