2224-7920
2224-7920
S2224-79202020000100113
Cuba
Cuba
00
04
2020
00
04
2020
32
1
113
122
[
Acquisition Services Directorate and Risk Management Agency
2015
333
]
[
2019
9
1
1
1-9
]
[
2017
12
10
10
]
[
2007
NÚMERO ESPECIAL
NÚMERO ESPECIAL
55-67
]
[
2015
27
2
2
16-9
]
[
2016
a
28
1
1
42-6
]
[
2016
b
28
1
1
34-8
]
[
2017
4
1
1
1-12
]
[
2009
]
[
2019
8
1
1
19
]
[
2017
12
1
1
]
[
2019
7
9
9
308
]
[
1994
8
2
2
164-8
]
[
2017
364
3
3
]
[
2015
21
3
3
227-41
]
[
2019
9
18017
]
[
2017
3
16
16
1-18
]
[
2015
6
1
1
4
]
[
2019
9
616
]
[
2018
13
128-35
]
[
2011
a
23
2
2
109-12
]
[
2011
b
23
2
2
121-4
]
[
2013
14
9
9
]
[
2020
en edición)
]
[
2016
9
22
]
[
1993
7
3
3
121-4
]
[
2018
6
2
2
95-107
]
[
2018
40
1
1
]
[
2017
143
61-7
]
[
2019
9
1
1
1-11
]