2218-3620
2218-3620
S2218-36202021000300460
Ecuador
00
06
2021
00
06
2021
13
3
460
466
[
2020
22
3
3
484-90
]
[
2017
4
4
4
477-90
]
[
2020
22
3
3
514-24
]
[
2020
16
46
46
5-17
]
[
2020
22
187-203
]
[
2020
5
7
7
811-8
]
[
2020
22
3
3
610-23
]
[
2020
22
3
3
633-8
]
[
2020
11
105-14
]
[
2020
117
312-21
]
[
Statista
2020
]
[
2020
108
]
[
2020
36
]
[
2019
8
5
5
1-10
]
[
2020
83
]