0012-7353
0012-7353
S0012-73532022000200142
10.15446/dyna.v89n221.98414
Ecuador
00
06
2022
00
06
2022
89
221
142
150
[
2020
598
]
[
2017
266
1
1
12-4
]
[
2020
151
628-34
]
[
2010
35
3
3
338-56
]
[
2020
15
]
[
2017
169
495-503
]
[
2015
15
97-102
]
[
2020
127
]
[
2016
154
286-95
]
[
2019
132
41-9
]
[
2018
119
23-30
]
[
2010
31
34
34
8921-30
]
[
2016
127
105-12
]
[
2018
10
3
3
]
[
2005
90
1
1
173-9
]
[
2015
119
35-45
]
[
2007
92
5
5
802-12
]
[
2016
110
99-107
]
[
2008
44
10
10
3133-45
]
[
2000
90
3
3
350-2
]
[
2017
87
84-98
]
[
1916
]
[
2018
16
2
2
166-7
]
[
2014
38
331-6
]
[
2012
543
165-71
]
[
2011
84
3
3
1165-8
]
[
2009
395
6
6
1589-611
]
[
2008
18
3
3
159-73
]
[
1999
2
8
8
311-20
]
[
1992
25
5
5
397-403
]
[
2012
31
8
8
1026-30
]
[
ASTM 2240
]
[
2002
280
8
8
758-64
]
[
2009
]
[
2013
142
]
[
1991
8
1-2
1-2
111-8
]
[
2018
]
[
2005
21
5
5
51
]
[
2007
]