1390-9274
1390-9274
S1390-92742022000200154
10.18537/est.v011.n022.a09
Ecuador
Ecuador
Ecuador
Ecuador
00
12
2022
00
12
2022
11
22
154
174
[
1964
]
[
2011
]
[
1981
]
[
Estructuras modernas
1957
15
]
[
1963
]
[
2008
]
[
2007
1
20-5
]
[
2019
583-95
]
[
2020
1
233-56
]
[
2021
]
[
2021
]
[
2019
671-9
]
[
2002
]
[
2019
42
80-5
]
[
1957
]