0253-9276
0253-9276
S0253-92762019000200245
Cuba
00
12
2019
00
12
2019
288
245
260
[
1960
]
[
2007
99
274-84
]
[
1969
]
[
1966
]
[
Congreso PCC VII
2016
]
[
2014
32
271-302
]
[
2001
18
259-70
]
[
2005
]
[
2008
]
[
2017
15
]
[
1989
44
513-24
]
[
1986
]
[
1948
]
[
2011
]
[
1991
61-89
]
[
1998
9
83-93
]
[
1994
]
[
2002
]
[
2012
74-88
]
[
2017
]
[
1973
]
[
1994
]
[
2005
874-84
]
[
1987
]