1990-8644
1990-8644
S1990-86442022000600351
Ecuador
00
12
2022
00
12
2022
18
89
351
358
[
2012
lxix
602
602
299-307
]
[
2007
]
[
2021
260-8
]
[
2002
61
4
4
290-7
]
[
2004
Primera ed
]
[
2005
7
4
4
157-9
]
[
2020
37
1
1
3
]
[
2006
7ma ed.
]
[
2006
Cuarta edición
]
[
2014
6th ed.
]
[
2009
15
4
4
203-10
]
[
2017
24
2
2
176-81
]
[
2022
18
^sS1
^sS1
S1
232-40
]
[
2004
350
2591-602
]
[
2003
2
2
]
[
2005
23
23
16-21
]
[
2017
XXX
1-4
]
[
2019
]