0864-2141
0864-2141
S0864-21412020000300010
Ecuador
Venezuela
Ecuador
00
09
2020
00
09
2020
34
3
[
2012
20
]
[
2015
1
]
[
2009
1
]
[
2007
11
1
1
]
[
2018
2
2
2
137-47
]
[
2013
31
1
1
213-33
]
[
UNESCO
2005
]
[
2000
71
2
2
81-2
]
[
2004
140
1
1
52-5
]
[
2004
53
21-9
]
[
2009
]
[
2003
]
[
2016
8
1
1
169-76
]
[
2010
]
[
2006
12
1
1
158-72
]
[
1994
]
[
2019
42
1
1
]
[
2018
2
3
3
600-14
]
[
2016
-2
01
]
[
2016
]
[
2016
]
[
2015
8
9-11
]
[
2016
47
1-3
]
[
2017
36
2
2
113-25
]
[
2017
]
[
2015
12
197-222
]