1990-8644 1990-8644 S1990-86442018000300094 Cuba 00 06 2018 00 06 2018 14 63 94 100

(199 6) (197 7) (200 7) 43 6 6 1-14 (200 3) (pp. 45-60) (200 9) (199 4) (199 9) (199 2) República de Cuba (200 0)