2227-1899
2227-1899
S2227-18992022000400166
Cuba
Cuba
00
12
2022
00
12
2022
16
4
166
184
[
2015
907-13
]
[
2015
14
2
2
]
[
2015
176
211-9
]
[
2017
]
[
2013
4
3
3
65-78
]
[
2015
193-6
]
[
2018
61-79
]
[
2020
]
[
GSMA Intelligence
2021
]
[
2017
16
1
1
]
[
2017
23
]
[
2017
]
[
2018
35
4
4
979-92
]
[
2021
2021
]
[
2016
65
522-33
]
[
2017
]
[
2015
]
[
2012
164
]
[
2015
881-5
]
[
2013
]