0185-1918
0185-1918
S0185-19182020000300461
10.22201/fcpys.2448492xe.2020.240.71108
Ecuador
00
12
2020
00
12
2020
65
240
461
485
[
2014
]
[
2005
259-75
]
[
2013
]
[
2007
23-47
]
[
2001
]
[
1987
40
40
113-33
]
[
2016
43
43
121-46
]
[
2001
16
16
35-59
]
[
2017
]
[
2000
]
[
2000
644-63
]
[
2014
19
42
42
95-110
]
[
2010
]
[
2013
]
[
1981
]
[
2010
]
[
2012
]
[
2012
]
[
2008
]
[
2008
7-40
]
[
2011
]
[
2006
]
[
2014
50
160-86
]
[
2014
]
[
2008
9
9
73-101
]
[
2015
I
4
]
[
1974
]
[
2013
]
[
1989
]
[
2009
55
55
15-26
]
[
1992
19
2
2
70-95
]
[
2000
]
[
2008
55-72
]
[
2016
]
[
1943
5
2
2
159-69
]
[
2011
]
[
1989
]
[
2013
]
[
2015
3
2
2
139-64
]
[
2009
]