2218-3620
2218-3620
S2218-36202021000300201
Ecuador
00
06
2021
00
06
2021
13
3
201
210
[
1960
]
[
1872
]
[
1980
]
[
2004
]
[
1983
]
[
1999
]
[
2003
]
[
1884
9
188-205
]
[
1996
]
[
1994
]
[
1997
2
2-3
2-3
]
[
1998
]
[
1990
]
[
2019
52
4
4
287-98
]
[
1990
9
3
3
185-211
]
[
1977
]
[
1985
351-76
]
[
2015
39
88-96
]
[
2015
147
313-8
]
[
2006
]